3,3'-Dichlorobenzidine 99 high purity hly67
COA 1 Inquiries
91-94-1
industrial Grade
99%
Qingdao
type
180kg/Cardboard Drum
2026-08-09
Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate
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Product Description
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Seller Information
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Inquiry History
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DescriptionCertificatesBasic Info
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Product Name:
3,3′-Dichlorobenzidine
Other Name:[1,1′-Biphenyl]-4,4′-diamine,3,3′-dichloro-;Benzidine,3,3′-dichloro-;3,3′-Dichloro[1,1′-biphenyl]-4,4′-diamine;C.I. 23060;o,o′-Dichlorobenzidine;3,3′-Dichlorobenzidine;3,3′-Dichlorobiphenyl-4,4′-diamine;3,3′-Dichloro-4,4′-diaminobiphenyl;Curithane C 126;4,4′-Diamino-3,3′-dichlorodiphenyl;4,4′-Diamino-3,3′-dichlorobiphenyl;4′-Amino-3,3′-dichloro[1,1′-biphenyl]-4-ylamine;3,3′-Dichloro-p,p′-bianiline;NSC 154073;4,4′-Bis(2-chloroaniline)
CAS No.:91-94-1
Molecular Formula:C12H10Cl2N2
InChIKeys:InChIKey=HUWXDEQWWKGHRV-UHFFFAOYSA-N
Molecular Weight:253.13
Exact Mass:253.13
EC Number:202-109-0
HScode:2921590032
Categories:
Characteristics-
PSA:
52
XLogP3:3.51
Appearance:3,3'-dichlorobenzidine is a gray to purple crystalline powder. Insoluble in water. Very toxic. Used in the dye industry, curing agent for isocyanate terminated resins.
Density:1.4±0.1 g/cm3
Melting Point:132-133 °C
Boiling Point:402 °C
Flash Point:10 °C
Refractive Index:1.679
Water Solubility:3.114mg/L(25 ºC)
Storage Conditions:2-8°C
Vapor Pressure:4.2 x 10 -7 at 25 °C (estimated, Howard, 1989)
Toxicity:Oral-rat LD50: 3820 mg/kgOral-Mouse LD50: 2464 mg/kg
Flammability characteristics:Flammable; emit toxic hydrogen chloride, nitrogen oxide gas when heated
PH:Weak base
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Dermal
Skin sensitization, Category 1
Carcinogenicity, Category 1B
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H312 Harmful in contact with skin
H317 May cause an allergic skin reaction
H350 May cause cancer
H410 Very toxic to aquatic life with long lasting effects
Precautionary statement(s) Prevention P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P203 Obtain, read and follow all safety instructions before use.
P273 Avoid release to the environment.
Response P302+P352 IF ON SKIN: Wash with plenty of water/...
P317 Get medical help.
P321 Specific treatment (see ... on this label).
P362+P364 Take off contaminated clothing and wash it before reuse.
P333+P317 If skin irritation or rash occurs: Get medical help.
P318 IF exposed or concerned, get medical advice.
P391 Collect spillage.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed. Store only in original container. Store in an area without drain or sewer access.Stable under recommended storage conditions.
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Seller Information
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Business Type:
Trader
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Main Products:
Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate
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Location:
Shop No.15, 1st Floor, Building 12, Hengda Huafu, Sucheng District, Suqian City
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Payment Terms:
TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
30
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Total Annual Revenue:
Less than $1 million
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Total Employees:
5-10
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Year of Establishment:
2022
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
India
3,3'-Dichlorobenzidine
3.00 MT Nov 17, 2025 Post an enquiry for this product
