1,4-BENZENEDIAMINE DIHYDROCHLORIDE 0386
October 1999
CAS No: 624-18-0 1,4-Phenylenediamine dihydrochloride
RTECS No: ST0350000 1,4-Diaminobenzene dihydrochloride
UN No: 1673 4-Aminoaniline dihydrochloride
EC No: 612-029-00-1 p-Phenylenediamine dihydrochloride
C6H8N2. 2HCl / C6H4(NH2)2. 2HCl
Molecular mass: 181.1
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
FIRE Combustible. Gives off irritating or toxic NO open flames. Water spray, foam, powder, carbon
fumes (or gases) in a fire. dioxide.
EXPLOSION Finely dispersed particles form explosive Prevent deposition of dust; closed
mixtures in air. system, dust explosion-proof electrical
equipment and lighting.
EXPOSURE PREVENT DISPERSION OF DUST!
STRICT HYGIENE!
Inhalation Dizziness. Headache. Laboured Local exhaust or breathing protection. Fresh air, rest. Refer for medical
breathing. Blue lips or finger nails. Blue attention.
skin. Confusion. Convulsions. Nausea.
Unconsciousness.
Skin Protective gloves. Protective clothing. Remove contaminated clothes. Rinse
skin with plenty of water or shower. Refer
for medical attention.
Eyes Redness. Safety goggles or eye protection in First rinse with plenty of water for several
combination with breathing protection. minutes (remove contact lenses if easily
possible), then take to a doctor.
Ingestion (See Inhalation). Do not eat, drink, or smoke during work. Rinse mouth. Refer for medical attention.
Induce vomiting (ONLY IN CONSCIOUS
PERSONS!).
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers. Carefully collect EU classification Do not transport with food and feedstuffs.
remainder, then remove to safe place. Personal protection: T Symbol
chemical protection suit including self-contained breathing N Symbol
apparatus. R: 23/24/25-36-43-50/53
S: (1/2-)28-36/37-45-60-61
UN classification
UN Hazard Class: 6.1
UN Pack Group: III
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-61GT2-III Separated from food and feedstuffs.
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
0386 1,4-BENZENEDIAMINE DIHYDROCHLORIDE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
WHITE TO SLIGHTLY REDDISH CRYSTALS. The substance can be absorbed into the body by inhalation, through the
skin and by ingestion.
Physical dangers
Dust explosion possible if in powder or granular form, mixed with air. Inhalation risk
Evaporation at 20/C is negligible; a harmful concentration of airborne
Chemical dangers particles can, however, be reached quickly when dispersed.
The substance decomposes on heating producing toxic and corrosive
fumes (nitrogen oxides, hydrogen chloride). Effects of short-term exposure
The substance irritates the eyes. The substance may cause effects on
Occupational exposure limits the blood and kidneys, resulting in formation of methaemoglobin and
TLV: (as 1,4-Benzenediamine) 0.1 mg/m3 as TWA; A4 (not classifiable as kidney impairment. Medical observation is indicated. The effects may be
a human carcinogen); (ACGIH 2005). delayed.
MAK: (as p-phenylene diamine) 0.1 mg/m3 (Inhalable fraction). Peak
limitation category: II(2); skin absorption (H); sensitization of skin (Sh); Effects of long-term or repeated exposure
Carcinogen category: 3B. Pregnancy risk group: D (DFG 2005). Repeated or prolonged contact may cause skin sensitization. Repeated
or prolonged inhalation exposure may cause asthma.
PHYSICAL PROPERTIES
Melting point: 275/C Relative vapour density (air = 1): 6.2
Solubility in water: very good
ENVIRONMENTAL DATA
NOTES
Depending on the degree of exposure, periodic medical examination is indicated.
The symptoms of asthma often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical
observation are therefore essential.
Anyone who has shown symptoms of asthma due to this substance should never again come into contact with this substance.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Also consult ICSC # 0805: Phenylenediamine.
Card has been partly updated in October 2005 and August 2006: see sections Emergency Response, Occupational Exposure Limits.
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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