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1,4-phenylenediamine
CAS No.: 106-50-3
Synonyms:
Formula: C6H8N2
Exact Mass: 108.06900
Molecular Weight: 108.14100
PSA: 52.04000
LogP: 2.01340
Reference Price: $6,210/ton Inquiry Now
1,4-phenylenediamine 106-50-3 MSDS
Name: p-Phenylenediamine 99+% Material Safety Data Sheet
Synonym: 1,4-Diaminobenzene
CAS: 106-50-3
Section 1 - Chemical Product   MSDS Name:p-Phenylenediamine 99+% Material Safety Data Sheet
Synonym:1,4-Diaminobenzene

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
106-50-3 p-Phenylenediamine 99 203-404-7
Hazard Symbols: T N
Risk Phrases: 23/24/25 43 50/53

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Toxic by inhalation, in contact with skin and if swallowed. May cause sensitization by skin contact. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Air sensitive.Light sensitive.
Potential Health Effects
Eye:
Causes eye irritation. May cause conjunctivitis and keratitis.
Skin:
Causes skin irritation. May be absorbed through the skin in harmful amounts. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. May produce eczematoid contact dermatitis.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract.
May cause liver and kidney damage. Ingestion may cause gastritis, vertigo, tremors, convulsions, and possible coma.
Inhalation:
Dust is irritating to the respiratory tract. May cause asthmatic attacks due to allergic sensitization of the respiratory tract. May cause rhinitis (inflammation of the mucous membrane of the nose).
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Prolonged or repeated exposure may cause adverse reproductive effects.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:
Antidote: None reported.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Remove all sources of ignition.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with skin and eyes. Keep away from heat, sparks and flame. Do not ingest or inhale.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Material darkens on exposure to air.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels.
Exposure Limits CAS# 106-50-3: United Kingdom, WEL - TWA: 0.1 mg/m3 TWA United Kingdom, WEL - STEL: 0.3 mg/m3 STEL United States OSHA: 0.1 mg/m3 TWA Belgium - TWA: 0.1 mg/m3 VLE France - VME: 0.1 mg/m3 VME Germany: 0.1 mg/m3 TWA (inhalable fraction) Germany: Skin absorber Japan: 0.1 mg/m3 OEL Malaysia: 0.1 mg/m3 TWA Netherlands: 0.1 mg/m3 MAC Russia: 0.05 mg/m3 TWA Spain: 0.1 mg/m3 VLA-ED Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: white to slight red
Odor: Not available.
pH: Not available.
Vapor Pressure: < 1 mm Hg @21C
Viscosity: Not available.
Boiling Point: 267 deg C
Freezing/Melting Point: 145-147C
Autoignition Temperature: Not applicable.
Flash Point: 156 deg C ( 312.80 deg F)
Explosion Limits, lower: 1.5
Explosion Limits, upper: 7
Decomposition Temperature: Not available.
Solubility in water: Slightly soluble in water.
Specific Gravity/Density: >1
Molecular Formula: C6H4(NH2)2
Molecular Weight: 108.0694

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures. Substance undergoes color change upon exposure to light and air.
Conditions to Avoid:
Incompatible materials, dust generation.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 106-50-3: SS8050000 LD50/LC50:
CAS# 106-50-3: Draize test, rabbit, skin: 12500 ug/24H Mild; Draize test, rabbit, skin: 250 mg/24H Moderate; Inhalation, rat: LC50 = 920 mg/m3/4H; Oral, rat: LD50 = 80 mg/kg.
Carcinogenicity:
p-Phenylenediamine - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Ecotoxicity:
Fish: Fathead Minnow: LC50 = 1618 mg/L; 96 Hr.; UnspecifiedFish: Goldfish: LC50 = 5.75 mg/L; 48 Hr.; UnspecifiedWater flea EC50 = 1.4 mg/L; 48 Hr.; UnspecifiedAlgae: EC50 = 0.16 mg/L; 96 Hr.; UnspecifiedBacteria: Phytobacterium phosphoreum: EC50 = 37.5 mg/L; 30 Minutes; Microtox test

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: PHENYLENEDIAMINES
Hazard Class: 6.1
UN Number: 1673
Packing Group: III
IMO
Shipping Name: PHENYLENEDIAMINES (O-, M-, P-)
Hazard Class: 6.1
UN Number: 1673
Packing Group: III
RID/ADR
Shipping Name: PHENYLENEDIAMINES
Hazard Class: 6.1
UN Number: 1673
Packing group: III
USA RQ: CAS# 106-50-3: 5000 lb final RQ; 2270 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T N
Risk Phrases:
R 23/24/25 Toxic by inhalation, in contact with skin
and if swallowed.
R 43 May cause sensitization by skin contact.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 28 After contact with skin, wash immediately
with...
S 36/37 Wear suitable protective clothing and
gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 60 This material and its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 106-50-3: 3
Canada
CAS# 106-50-3 is listed on Canada's DSL List.
CAS# 106-50-3 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 106-50-3 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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