Product Identification & Regulatory Data
Official chemical identifiers, CAS numbers, and regulatory compliance information
Basic Product Information
Regulatory Identifiers
Chemical Abstracts Service registry number - unique identifier for chemical substances
European Community number - used for regulatory compliance in EU/EEA
Uses Information
Overview
Benzidine (CAS: 92-87-5 ) is a pale brown substance commonly used su24 scientific research and development.
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GHS Hazard Classification & Safety Warnings
Globally Harmonized System (GHS) hazard pictograms, signal words, and safety classifications
Classification Status
Signal Word
Hazard Classifications
GHS Hazard Pictograms & Safety Symbols
GHS07
GHS08
GHS (Globally Harmonized System) pictograms indicate specific chemical hazard categories and safety precautions
Hazard Statements
- H302: Harmful if swallowed.
- H350: May cause cancer.
Precautionary Statements
- P264: Wash thoroughly after handling.
- P281: Use personal protective equipment as required.
- P301+P312: IF SWALLOWED: Call a POISON CENTER/doctor/ .. /if you feel unwell.
- P308+P313: IF exposed or concerned: Get medical advice/attention.
- P405: Store locked up.
- P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
Manufacturers & Suppliers
Authorized suppliers, manufacturers, and distribution network information
Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.
manufacturer
24/7 Emergency Response
Critical emergency contact numbers for chemical spills, exposure incidents, and medical emergencies
Emergency Contact
(800) 343-0660
Monday-Friday, 8am-7pm EST
Carechem 24
(866) 928-0789
Chemical Composition & Hazardous Ingredients
Detailed component analysis, concentration ranges, and hazardous substance identification
Product Type
substanceChemical Components & Hazardous Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| benzidine 1,1'-biphenyl-4,4'-diamine 4,4'-diaminobiphenyl biphenyl-4,4'-ylenediamine 612-042-00-2 EC: 202-199-1 | 92-87-5 | Not specified | Non-hazardous |
Emergency First Aid Measures
Critical first aid procedures for chemical exposure incidents and medical emergencies
Inhalation Exposure
Supply fresh air. If required, provide artificial respiration. Keep patient warm.
Skin Contact
Immediately wash with water and soap and rinse thoroughly.
Eye Contact
Rinse opened eye for several minutes under running water. Then consult a doctor.
Ingestion/Swallowing
Seek medical treatment.
Related Chemical Substances & Alternative Products
Similar chemicals with comparable safety profiles and industrial applications
Technical Specifications & Material Properties
Physical state, chemical properties, melting point, boiling point, and material characteristics
Exposure Controls & Personal Protective Equipment
Occupational exposure limits, engineering controls, and required safety equipment
Engineering Controls
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.
Hand Protection
Impervious gloves. Check protective gloves prior to each use for their proper condition. The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer. Material of gloves Nitrile rubber, NBR. Penetration time of glove material (in minutes) 480. Glove thickness 0.11 mm.
Eye Protection
Safety glasses
Respiratory Protection
Use suitable respirator when high concentrations are present. Recommended filter device for short term use: Use a respirator with type P100 (USA) or P3 (EN 143) cartridges as a backup to engineering controls. Risk assessment should be performed to determine if air-purifying respirators are appropriate. Only use equipment tested and approved under appropriate government standards.
Skin/Body Protection
Protective work clothing.
Transportation & Shipping Information
UN numbers, shipping names, transport classes, and regulatory transport requirements
UN Number
UN1885
Proper Shipping Name
Benzidine
Transport Hazard Class
6.1
Packing Group
II
IMDG Maritime Transport Precautions
F-A,S-A
IATA Air Transport Precautions
F-A,S-A
Chemical Safety FAQ & Common Questions
Most frequently asked questions about safety, handling, storage, and regulatory compliance
What is the hazard signal word for Benzidine?
The signal word for this substance is "danger".
What is the physical form of Benzidine?
Benzidine is a solid appearing as pale brown with pale brown color. It has not determined odor.
What is Benzidine used for?
SU24 Scientific research and development
What are the hazard statements for Benzidine?
This substance has 2 hazard statements: H302: Harmful if swallowed. H350: May cause cancer.
What is the melting point of Benzidine?
The melting point is 127-128 ℃ (261-262 °F) and the boiling point is 400 ℃ (752 ºF).