3,3’-Dihydroxybenzidine

Combi-Blocks, Inc.

Revision date : 2026-03-06

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GHS08
Health risk rating 5
Safety risk rating 1
Environmental risk rating 1

General Information

Revision date

2026-03-06

Product name

3,3’-Dihydroxybenzidine

CAS No.

2373-98-0

supplier name

Combi-Blocks, Inc.

Emergency telephone

1-858-635-8950, 1-800-535-5053, 1-352-323-3500

Icons in SDS

GHS08 M004 M009 M010 M011

Company Information

company name

Combi-Blocks, Inc.

e-mail address of the competent person responsible for the Safety Data Sheet

sales@combi-blocks.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H350

Hazard statements

Code

Statements

H350

May cause cancer

Section 2

Signal word

Danger

Hazard statements

H350 May cause cancer

Precautionary statements

P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P281 Use personal protective equipment as required. P308+P313 IF exposed or concerned: Get medical advice/attention. P405 Store locked up. P501 Dispose of contents/container to an approved waste disposal plant.

2.1 Classification of the substance or mixture

GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)

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