SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 16/JUN/2005
Date Updated: 06/JUN/2005
Version 1.4
According to 91/155/EEC
Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.
1 - Product and Company Information
Product Name 3,3'-DIMETHOXYBENZIDINE
DIHYDROCHLORIDE, TECH.
Product Number 191248
Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Australia
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)
2 - Composition/Information on Ingredients
Product Name CAS # EC no Annex I
Index Number
3,3'-DIMETHOXYBENZIDINE 20325-40-0 243-737-5 612-037-00-5
DIHYDROCHLORIDE
Formula C14H16N2O2 ?2HCl
Molecular Weight 317.21 AMU
Synonyms (1,1'-Biphenyl)-4,4'-diamine, 3,3-dimethoxy-,
dihydrochloride (9CI) * C.I. Disperse Black 6
dihydrochloride * o-Dianisidine dihydrochloride
* 3,3'-Dimethoxy-4,4'-diaminobiphenyl
dihydrochloride * 3,3'-Dimethoxybenzidine
dihydrochloride *
3,3'-Dimethoxy-(1,1-biphenyl)-4,4'-diamine
dihydrochloride * Fast Blue B * o-dianisidine
dihydrochloride
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
May cause cancer. Also harmful if swallowed.
Carc. Cat.2
4 - First Aid Measures
AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.
AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Water spray. Carbon dioxide, dry chemical powder, or
appropriate foam.
SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.
6 - Accidental Release Measures
PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.
METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.
7 - Handling and Storage
HANDLING
Directions for Safe Handling: Do not breathe dust. Avoid contact
with eyes, skin, and clothing. Avoid prolonged or repeated
exposure.
STORAGE
Conditions of Storage: Keep tightly closed.
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.
9 - Physical and Chemical Properties
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Appearance Physical State: Solid
Property Value At Temperature or Pressure
pH 2.8 - 3.2
BP/BP Range N/A
MP/MP Range 268 癈
Flash Point N/A
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density N/A
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility Solubility in Water:1 tablet in 10 ml H2O
clear, colorless
10 - Stability and Reactivity
STABILITY
Stable: Stable.
Materials to Avoid: Oxidizing agents.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Nitrogen oxides, Hydrogen chloride gas.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
11 - Toxicological Information
RTECS NUMBER: DD1050000
SIGNS AND SYMPTOMS OF EXPOSURE
The chemical, physical, and toxicological properties of this
product have not been thoroughly investigated.
ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes eye irritation.
Inhalation: May be harmful if inhaled. Material is irritating to
mucous membranes and upper respiratory tract.
Ingestion: Harmful if swallowed.
TARGET ORGAN INFORMATION
Bladder.
ALDRICH - 191248 www.sigma-aldrich.com Page 3
CONDITIONS AGGRAVATED BY EXPOSURE
Causes sneezing. Do not inhale.
CHRONIC EXPOSURE - CARCINOGEN
Result: This product is or contains a component that has been
reported to be probably carcinogenic based on its IARC, OSHA,
ACGIH, NTP, or EPA classification.
Rat
Route of Application: Oral
Exposure Time: 1Y
Result: Tumorigenic:Carcinogenic by RTECS criteria. Sense Organs
and Special Senses (Nose, Eye, Ear, and Taste):Ear:Tumors.
Tumorigenic Effects: Testicular tumors.
Mouse
Route of Application: Oral
Exposure Time: 2Y
Result: Tumorigenic:Equivocal tumorigenic agent by RTECS
criteria. Liver:Tumors. Skin and Appendages: Other: Tumors.
Mouse
Route of Application: Subcutaneous
Exposure Time: 2Y
Result: Tumorigenic:Equivocal tumorigenic agent by RTECS
criteria. Liver:Tumors. Tumorigenic Effects: Uterine tumors
Rat
Route of Application: Oral
Exposure Time: 51W
Result: Tumorigenic:Carcinogenic by RTECS criteria. Sense Organs
and Special Senses (Nose, Eye, Ear, and Taste):Ear:Tumors. Skin
and Appendages: Other: Tumors.
Rat
Route of Application: Oral
Exposure Time: 91W
Result: Tumorigenic:Carcinogenic by RTECS criteria.
Gastrointestinal:Tumors. Liver:Tumors.
CHRONIC EXPOSURE - MUTAGEN
Mouse
50 MG/L (+S9)
Cell Type: lymphocyte
Mutation in microorganisms
Mouse
33 MG/L
Cell Type: lymphocyte
Mutation in mammalian somatic cells.
Hamster
500 UG/L
Cell Type: ovary
Cytogenetic analysis
Hamster
50 MG/L
Cell Type: ovary
Sister chromatid exchange
CMR CAT.: Carc. Cat.2
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12 - Ecological Information
No data available.
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state, and local
environmental regulations.
14 - Transport Information
RID/ADR
Non-hazardous for road transport.
IMDG
Non-hazardous for sea transport.
IATA
Non-hazardous for air transport.
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 612-037-00-5
NOTA: A,E
INDICATION OF DANGER: T
Toxic.
R-PHRASES: 45 22
May cause cancer. Also harmful if swallowed.
S-PHRASES: 53 45
Restricted to professional users. Attention - Avoid exposure -
obtain special instructions before use. In case of accident or
if you feel unwell, seek medical advice immediately (show the
label where possible).
SWITZERLAND
SWISS POISON CLASS: 1*
16 - Other Information
WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
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