Chemical identity and waste assessment

Chemical waste disposal library

A source-linked index of chemical identities, with guidance on the information needed to classify and route chemical waste.

Technical informationSources and further reading

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4,476 reference records · 8 detailed guides

This index brings together chemical identities from the ILO / WHO International Chemical Safety Cards and the HSE GB mandatory classification and labelling list. Use the names, identifiers and available formulae to compare a product label, safety data sheet or waste inventory with the source record. Separate source entries may describe different forms or concentrations of the same substance. A match confirms only the source identity; it does not establish the composition of the waste, collection availability or a suitable treatment route. HSE identity information contains Crown copyright material reproduced under the Open Government Licence v3.0.

The detailed guides explain properties and waste-assessment points for particular chemicals. A chemical name or CAS number does not, on its own, establish a List of Waste code, packaging requirement, transport classification or receiving-facility acceptance.

Using chemical identity in a waste assessment

Identity is one part of the waste description. Concentration, process history, contamination and container condition can change the assessment even when the original product is known.

  • Identity: product name, CAS or EC number and the supplier safety data sheet.
  • Waste status: unused stock, spent process material, mixture or contaminated packaging.
  • Quantity and condition: amount, concentration, container sizes and container condition.
  • Process history: how the waste arose, including known additions, contaminants or any available analysis.
Source references and waste guidance

These sources cover chemical identity, safety data sheets and waste classification. Each has its own scope; none of them confirms that a particular waste load will be accepted by a receiving facility.

Chemical waste guides

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1,699 matching records · Clear search

Chemical reference

3-CHLOROANILINE

ICSC 0130 · CAS 108-42-9

Formula: C6H6ClN/(C6H4)Cl(NH2)

1-Amino-3-chlorobenzene; 3-Chlorobenzeneamine; Orange GC base; m-Chloroaniline

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-DIMETHYLAMINOPROPYLAMINE

ICSC 1227 · CAS 109-55-7

Formula: C5H14N2/(CH3)2NCH2CH2CH2NH2

1-Amino-3-dimethylaminopropane; N,N,-Dimethyl-1,3-propanediamine; 3-Aminopropyldimethylamine; N,N-Dimethyl-1,3-diaminopropane

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-METHYL-2-BUTANONE

ICSC 0922 · CAS 563-80-4

Formula: C5H10O

Methyl isopropyl ketone; 2-Acetyl propane

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-METHYL-2-BUTENAL

ICSC 1294 · CAS 107-86-8

Formula: C5H8O/(H3C)2C=CHCHO

Senecialdehyde; 3,3-Dimethylacrolein; 3-Methylcrotonaldehyde

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-METHYLBUT-2-EN-1-OL

ICSC 1760 · CAS 556-82-1

Formula: C5H10O

2-Buten-1-ol, 3-methyl-; 3,3-Dimethylallyl alcohol; Prenyl alcohol; Prenol

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-METHYLBUTANAL

ICSC 1748 · CAS 590-86-3

Formula: C5H10O/(CH3)2CHCH2CHO

Isovaleraldehyde; Isopentaldehyde; Isopentanal

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-METHYLCYCLOHEXANOL

ICSC 0295 · CAS 591-23-1

Formula: C7H14O

m-Methylcyclohexanol; 3-Hexahydromethylphenol; m-Hexahydromethylphenol

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-METHYLPENTANE

ICSC 1263 · CAS 96-14-0

Formula: C6H14/CH3CH2CH(CH3)CH2CH3

Diethylmethylmethane

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-METHYLPYRIDINE

ICSC 0802 · CAS 108-99-6

Formula: C6H7N/(C5H4N)CH3

3-Picoline; beta-Picoline; m-Picoline

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-NITROANILINE

ICSC 0307 · CAS 99-09-2

Formula: C6H6N2O2

m-Nitroaniline; 1-Amino-3-nitrobenzene; C.I. 37030

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-PENTANOL

ICSC 0536 · CAS 584-02-1

Formula: C5H12O/CH3CH2CHOHCH2CH3

Pentan-3-ol; Diethyl carbinol; sec-n-Amyl alcohol

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-PENTANONE

ICSC 0874 · CAS 96-22-0

Formula: C5H10O/CH3CH2COCH2CH3

Dimethylacetone; Methacetone; Diethyl ketone

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3-VINYL TOLUENE

ICSC 0734 · CAS 100-80-1

Formula: CH3C6H4CH=CH2/C9H10

m-Methyl styrene; 1-Ethenyl-3-methylbenzene; m-Vinyl toluene

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,3'-DIAMINOBENZIDINE

ICSC 1666 · CAS 91-95-2

Formula: C12H14N4/(NH2)2C6H3C6H3(NH2)2

(1,1'-Biphenyl)-3,3',4,4'-tetraamine; 3,3',4,4'-Diphenyltetramine; 3,3',4,4'-Tetraaminobiphenyl; Biphenyl-3,3',4,4'-tetrayltetraamine; 3,3',4,4'-Biphenyltetramine

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,3'-DICHLOROBENZIDINE

ICSC 0481 · CAS 91-94-1

Formula: C6H3ClNH2C6H3ClNH2/C12H10Cl2N2

3,3'-Dichlorobiphenyl-4,4'-ylenediamine; 4,4'-Diamino-3,3'-dichlorobiphenyl

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,4-DICHLOROANILINE

ICSC 0144 · CAS 95-76-1

Formula: C6H5Cl2N

1-Amino-3,4-dichlorobenzene; 3,4-Dichlorobenzenamine

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,4-DINITROTOLUENE

ICSC 0729 · CAS 610-39-9

Formula: C7H6N2O4/C6H3CH3(NO2)2

1-Methyl-3,4-dinitrobenzene; 3,4-DNT

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,4-XYLIDINE

ICSC 0453 · CAS 95-64-7

Formula: C8H11N/(CH3)2C6H3NH2

3,4-Dimethylaniline; 3,4-Dimethylbenzeneamine; 1-Amino-3,4-dimethylbenzene; 4-Amino-o-xylene; 4-Amino-1,2-xylene

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,5-DICHLOROPHENOL

ICSC 0440 · CAS 591-35-5

Formula: C6H4Cl2O

3,5-Dichlorohydroxybenzene; 1-Hydroxy-3,5-dichlorobenzene

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,5-XYLENOL

ICSC 1356 · CAS 108-68-9

Formula: C8H10O/3,5-(CH3)2C6H3OH

3,5-Dimethylphenol; 1-Hydroxy-3,5-dimethylbenzene

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,5-XYLIDINE

ICSC 1687 · CAS 108-69-0

Formula: C8H11N/(CH3)2C6H3NH2

3,5-Dimethylaniline; 3,5-Dimethylbenzeneamine; 1-Amino-3,5-dimethylbenzene; 5-Amino-m-xylene; 5-Amino-1,3-xylene

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

3,5,5-TRIMETHYLHEXANOL

ICSC 0608 · CAS 3452-97-9

Formula: C9H20O

3,5,5-Trimethylhexylalcohol; Isononyl alcohol

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

4-AMINOBIPHENYL

ICSC 0759 · CAS 92-67-1

Formula: C12H11N/C6H5-C6H4NH2

4-Aminodiphenyl; p-Biphenylamine; Xenylamine; Biphenyl-4-amine; Biphenyl-4-ylamine; (1,1'-Biphenyl)-4-amine

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Chemical reference

4-BROMOANILINE

ICSC 1226 · CAS 106-40-1

Formula: C6H6BrN/BrC6H4NH2

4-Bromobenzeneamine; p-Bromophenylamine; p-Bromoaniline

ILO / WHO chemical safety card

Identity reference only. The source helps identify the substance; it does not establish the composition or classification of a waste stream, or whether it will be accepted for treatment.

Reference notes and technical facts
  • Check the product label and supplier safety data sheet for the substance identity, concentration and formulation.
  • Waste assessment also depends on quantity, container condition, process history, mixing and contamination.

ILO / WHO chemical safety card

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Published by Chemical Waste Disposal. Sources checked 12 September 2026. Editorial policy.

If you spot an error in this library, please contact us so we can check the entry against its source.

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The appropriate route for chemical waste depends on the material, concentration, condition, quantity and any contamination. The reference information in this library helps with identification, but it does not confirm that a particular waste will be accepted.

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