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MSDS Material Safety Data Sheet
CAS

95-53-4
25-36-5
53-45-6

File Name: ilo_org---icsc0341.asp
ortho-TOLUIDINE                                                                                                                                     0341
March 1995
CAS No: 95-53-4 1-Amino-2-methylbenzene
RTECS No: XU2975000 2-Aminotoluene
UN No: 1708 o-Methylaniline
EC No: 612-091-00-X C7H9N / C6H4CH3NH2
Molecular mass: 107.2


TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE

FIRE Combustible. Gives off irritating or toxic NO open flames. NO contact with nitric Powder. Foam. Carbon dioxide.
fumes (or gases) in a fire. acid.

EXPLOSION Above 85/C explosive vapour/air Above 85/C use a closed system, In case of fire: keep drums, etc., cool by
mixtures may be formed. ventilation. spraying with water.



EXPOSURE AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!

Inhalation Blue lips or finger nails. Blue skin. Ventilation, local exhaust, or breathing Fresh air, rest. Artificial respiration may
Confusion. Dizziness. Headache. protection. be needed. Refer for medical attention.
Shortness of breath. Weakness.

Skin MAY BE ABSORBED! Redness. Blue Protective gloves. Protective clothing. Remove contaminated clothes. Rinse and
lips or fingernails. Blue skin. (Further then wash skin with water and soap.
see Inhalation). Refer for medical attention.

Eyes Redness. Pain. Safety goggles. First rinse with plenty of water for several
minutes (remove contact lenses if easily
possible), then take to a doctor.

Ingestion Blue lips or fingernails. Blue skin. Do not eat, drink, or smoke during work. Rinse mouth. Induce vomiting (ONLY IN
Dizziness. Headache. Laboured CONSCIOUS PERSONS!). Refer for
breathing. (Further see Inhalation). medical attention.


SPILLAGE DISPOSAL PACKAGING & LABELLING

Collect leaking and spilled liquid in sealable containers as EU classification Do not transport with food and feedstuffs.
far as possible. Absorb remaining liquid in sand or inert T Symbol
absorbent and remove to safe place. Personal protection: N Symbol
complete protective clothing including self-contained R: 45-23/25-36-50
breathing apparatus. S: 53-45-61
Note: E
UN classification
UN Hazard Class: 6.1
UN Pack Group: II


EMERGENCY RESPONSE SAFE STORAGE

Transport Emergency Card: TEC (R)-61GT1-II Separated from strong oxidants, strong acids, food and feedstuffs. Cool. Dry. Well
NFPA Code: H3; F2; R0 closed. Ventilation along the floor.




Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission 漏
IPCS 2006
International
Programme on
SEE IMPORTANT INFORMATION ON THE BACK.
Chemical Safety
0341 ortho-TOLUIDINE


IMPORTANT DATA
Physical State; Appearance Routes of exposure
COLOURLESS TO YELLOW LIQUID, TURNS REDDISH-BROWN ON The substance can be absorbed into the body by inhalation and through
EXPOSURE TO AIR AND LIGHT. the skin and by ingestion.

Chemical dangers Inhalation risk
The substance decomposes on heating or on burning producing toxic Evaporation at 20/C is negligible; a harmful concentration of airborne
fumes including nitrogen oxides. Reacts with strong oxidants, especially particles can, however, be reached quickly on spraying.
nitric acid.
Effects of short-term exposure
Occupational exposure limits The substance irritates the eyes and the skin. The substance may cause
TLV: 2 ppm as TWA; (skin); A3 (confirmed animal carcinogen with effects on the blood, bladder and kidneys, resulting in tissue lesions,
unknown relevance to humans); BEI issued; (ACGIH 2004). impaired functions and formation of methaemoglobin. Exposure to high
MAK: skin absorption (H); Carcinogen category: 1; Germ cell mutagen concentrations may result in damage to kidneys and bladder. The effects
group: 3A (DFG 2006). may be delayed. Medical observation is indicated. See Notes.

Effects of long-term or repeated exposure
The substance may have effects on the blood, resulting in formation of
methaemoglobin (see Notes). This substance is possibly carcinogenic to
humans.



PHYSICAL PROPERTIES
Boiling point: 200/C Relative density of the vapour/air-mixture at 20/C (air = 1): 1.00
Melting point: -16/C Flash point: 85/C c.c.
Relative density (water = 1): 1.01 Auto-ignition temperature: 482/C
Solubility in water: poor Explosive limits, vol% in air: 1.5-?
Vapour pressure, kPa at 20/C: 0.2 Octanol/water partition coefficient as log Pow: 1.32
Relative vapour density (air = 1): 3.7



ENVIRONMENTAL DATA
The substance is harmful to aquatic organisms.



NOTES
Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
The odour warning when the exposure limit value is exceeded is insufficient.
Also consult ICSC # 0342, meta-Toluidine and 0343, para-Toluidine.
Card has been partly updated in October 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Card has been partly updated in October 2006. See sections Occupational Exposure Limits.
Card has been partially updated in January 2008: see Fire fighting.



ADDITIONAL INFORMATION




Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information

漏IPCS 2006

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