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101-77-9

Name 4,4'-Methylenedianiline
CAS 101-77-9
EINECS(EC#) 202-974-4
Molecular Formula C13H14N2
MDL Number MFCD00007914
Molecular Weight 198.26
MOL File 101-77-9.mol

Chemical Properties

Appearance 4,4’-Diaminodiphenylmethane is a pale yel- low crystalline solid (turns light brown on contact with air) with a faint amine-like odor.
Melting point  89-91 °C(lit.)
Boiling point  242 °C2 mm Hg(lit.)
density  1.15
vapor pressure  0Pa at 25℃
refractive index  1.5014 (estimate)
Fp  430 °F
solubility  water: soluble
form  neat
pka 5.32±0.25(Predicted)
color  White to Light yellow
Water Solubility  Slightly soluble. <0.1 g/100 mL at 19 ºC
Merck  14,2980
BRN  474706
Exposure limits ACGIH: TWA 0.1 ppm (Skin)
OSHA: STEL 100 ppb
LogP 1.55 at 25℃
CAS DataBase Reference 101-77-9(CAS DataBase Reference)
IARC 2B (Vol. 39, Sup 7) 1987
NIST Chemistry Reference Benzenamine, 4,4'-methylenebis-(101-77-9)
EPA Substance Registry System 101-77-9(EPA Substance)

Safety Data

Hazard Codes  T,N
Risk Statements 
R45:May cause cancer.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R43:May cause sensitization by skin contact.
R48/20/21/22:Harmful: danger of serious damage to health by prolonged exposure through inhalation, and in contact with skin and if swallowed .
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R68:Possible risk of irreversible effects.
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 2651 6.1/PG 3
WGK Germany  3
RTECS  BY5425000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29215900
Safety Profile
Confirmed carcinogen with experimental tumorigenic data. Human poison by ingestion. Poison by subcutaneous and intraperitoneal routes. Human systemic effects by ingestion: rigidity, jaundice, other liver changes. An eye irritant. Mutation data reported. It is not rapidly absorbed through the skin. Combustible when exposed to heat or flame. When heated to decomposition it emits highly toxic fumes of aniline and NOx.
Hazardous Substances Data 101-77-9(Hazardous Substances Data)
Toxicity
LD50 oral in rabbit: 620mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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