4,4'-Diphenylmethane diisocyanate CAS#101-68-8
CAS Number: 101-68-8
Chemical Formula: C15H10N2O2
Synonyms:
1,1’-methylenebis(4-isocyanato)-benzene;para
Para’-diphenylmethanediisocyanate;para
METHYLENEDIPHENYL 4,4'-DIISOCYANATE
Appearance: White power
HS Code: 29291090
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Products Description of 4,4'-Diphenylmethane diisocyanate
It is a pale yellow molten solid with a strong pungent odor, soluble in acetone, benzene, kerosene, and nitrobenzene.
Parameters
Melting point | 38-44 °C |
Boiling point | 392 °C |
density | 1.19 |
vapor pressure | 0.066 hPa (20 °C) |
refractive index | 1.5906 (estimate) |
Fp | 196 °C |
storage temp. | -20°C |
solubility | 2g/l (decomposition) |
form | solid |
color | White to Almost white |
Specific Gravity | 1.180 |
explose limit | 0.4%(V) |
Water Solubility | decomposes |
FreezingPoint | 37℃ |
Sensitive | Moisture Sensitive/Lachrymatory |
BRN | 797662 |
Exposure limits | TLV-TWA 0.051 mg/m3 (0.005 ppm) (ACGIH and NIOSH); ceiling (air) 0.204 mg/m3 (0.02 ppm)/10 min (NIOSH and OSHA); IDLH 102 mg/m3 (10 ppm). |
Dielectric constant | 10.0（Ambient） |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. Reacts violently with alcohols. |
CAS DataBase Reference | 101-68-8(CAS DataBase Reference) |
NIST Chemistry Reference | Benzene, 1,1'-methylenebis[4-isocyanato-(101-68-8) |
IARC | 3 (Vol. 19, Sup 7, 71) 1999 |
EPA Substance Registry System | 4,4'-Methylenedi(phenyl isocyanate) (101-68-8) |
Safety Information
Hazard Codes | Xn,T,C |
Risk Statements | 42/43-36/37/38-20-48/20-40 |
Safety Statements | 45-36/37-23 |
RIDADR | 2206 |
OEB | D |
OEL | TWA: 0.05 mg/m3 (0.005 ppm), Ceiling: 0.2 mg/m3 (0.020 ppm) [10-minute] |
WGK Germany | 1 |
RTECS | NQ9350000 |
Autoignition Temperature | >600 °C |
Hazard Note | Toxic/Corrosive/Lachrymatory/Moisture Sensitive |
TSCA | Yes |
HazardClass | 6.1 |
PackingGroup | II |
HS Code | 29291090 |
Hazardous Substances Data | 101-68-8(Hazardous Substances Data) |
Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 9000 mg/kg |
IDLA | 75 mg/m3 |
Product Application of 4,4'-Diphenylmethane diisocyanate
Cyanides, isocyanates and their derivatives, polyurethane materials, organic blocks, organic chemical raw materials, organic chemistry-related chemical products, isocyanates, organic compounds, chemical raw materials, diphenylmethanes (for high-performance polymer research), functional materials, high-performance polymer research reagents, alphabetical M-category (META-METH), analytical standard samples, pyridines and halogenated heterocycles, new material synthesis raw materials, basic raw materials, additives.
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