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

ALLYL GLYCIDYL ETHER

ICSC 0096 · CAS 106-92-3

Formula: C6H10O2

((2-Propenyloxy)methyl)oxirane; Allyl 2,3-epoxypropyl ether; 1-(Allyloxy)-2,3-epoxypropane

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

ALLYL ISOTHIOCYANATE

ICSC 0372 · CAS 57-06-7

Formula: C4H5NS/CH2=CHCH2N=C=S

Allyl isosulfocyanate; 2-Propenyl isothiocyanate; 3-Isothiocyanato-1-propene; Mustard oil

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

ALLYL PROPYL DISULFIDE

ICSC 1422 · CAS 2179-59-1

Formula: C6H12S2/CH2=CHCH2SSCH2CH2CH3

2-Propenyl propyl disulfide; Onion oil

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

ALLYLAMINE

ICSC 0823 · CAS 107-11-9

Formula: C3H7N/CH2CHCH2NH2

3-Aminopropene; 2-Propenylamine; 2-Propene-1-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

alpha-HEXACHLOROCYCLOHEXANE

ICSC 0795 · CAS 319-84-6

Formula: C6H6Cl6

alpha-1,2,3,4,5,6-Hexachlorocyclohexane; alpha-Benzenehexachloride (alpha-BHC); alpha-Hexachloran

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

alpha-METHYL STYRENE

ICSC 0732 · CAS 98-83-9

Formula: C9H10/C6H5C(CH3)=CH2

Isopropenyl benzene; 2-Phenylpropene; 1-Methyl-1-phenylethylene

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

alpha-NAPHTHYLTHIOUREA

ICSC 0973 · CAS 86-88-4

Formula: C11H10N2S/C10H7NHCSNH2

Antu; 1-(1-Naphthyl)-2-thiourea; 1-Naphtylthiourea

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

ALUMINIUM CHLORIDE (ANHYDROUS)

ICSC 1125 · CAS 7446-70-0

Formula: AlCl3

Aluminium trichloride; Aluminium(III) chloride

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

ALUMINIUM FLUORIDE (ANHYDROUS)

ICSC 1324 · CAS 7784-18-1

Formula: AlF3

Aluminium trifluoride

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

ALUMINIUM OXIDE

ICSC 0351 · CAS 1344-28-1

Formula: Al2O3

alpha-Aluminum oxide; Alumina; Aluminum trioxide

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

ALUMINIUM PHOSPHATE TRIBASIC

ICSC 1538 · CAS 7784-30-7

Formula: AlPO4

Aluminophosphoric acid; Aluminium orthophosphate; Aluminium monophosphate

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

ALUMINIUM PHOSPHIDE

ICSC 0472 · CAS 20859-73-8

Formula: AlP

Aluminum phosphide

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

ALUMINIUM POWDER (pyrophoric)

ICSC 0988 · CAS 7429-90-5

Formula: AlAtomicmass:27.0

Aluminum powder

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

ALUMINIUM SULFATE

ICSC 1191 · CAS 10043-01-3

Formula: Al2S3O12/Al2(SO4)3

Aluminium sulphate; Aluminium trisulfate; Dialuminium trisulfate; Alum

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.

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Chemical reference

ALUMINUM HYDROXIDE

ICSC 0373 · CAS 21645-51-2

Formula: AlH3O3/Al(OH)3

Alumina hydrate; Aluminum oxide trihydrate; Trihydroxyaluminum

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

AMINOCARB

ICSC 0097 · CAS 2032-59-9

Formula: C11H16N2O2

4-Dimethylamino-m-tolyl N-methylcarbamate; 4-Dimethylamine m-cresyl methylcarbamate

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

AMITRAZ

ICSC 0098 · CAS 33089-61-1

Formula: C19H23N3

N-Methylbis(2,4-xylyliminomethyl)amine; N,N'-(Methyliminodimethylidyne)bis-2,4-xylidine

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

AMITROLE

ICSC 0631 · CAS 61-82-5

Formula: C2H4N4

1,2,4-Triazol-3-ylamine; 3-Amino-1H-1,2,4-triazole; Aminotriazole

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

AMMMONIUM BISULFITE

ICSC 1254 · CAS 10192-30-0

Formula: H5NO3S/NH4HSO3

Ammonium monosulfite; Sulfurous acid, monoammonium salt; Ammonium hydrogen sulfite; Ammonium bisulfite solution; Ammonium acid sulfite; Ammonium hydrosulfite

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

AMMONIA (ANHYDROUS)

ICSC 0414 · CAS 7664-41-7

Formula: NH3

R717; Refrigerant gas 717

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

AMMONIUM BISULFIDE

ICSC 1035 · CAS 12124-99-1

Formula: H5NS/(NH4)HS

Ammonium hydrogen sulfide; Ammonium hydrosulfide; Ammonium sulfhydrate; Ammonium mercaptan

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

AMMONIUM CHLORIDE

ICSC 1051 · CAS 12125-02-9

Formula: NH4Cl

Sal ammoniac

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

AMMONIUM DICHROMATE

ICSC 1368 · CAS 7789-09-5

Formula: (NH4)2Cr2O7

Diammonium dichromate (VI); Dichromic acid, diammonium salt; Ammonium bichromate

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

AMMONIUM FLUORIDE

ICSC 1223 · CAS 12125-01-8

Formula: NH4F

Neutral ammonium fluoride

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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