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Methylenediphenyl Diisocyanate CAS#101-68-8

Methylenediphenyl Diisocyanate CAS#101-68-8

Basic Information

Versatile Organic Chemistry Applications:Can be used as raw materials, intermediates, and reagents in organic chemical synthesis and high-performance polymer research.


Functional Material Development:Suitable for preparing functional materials, new material synthesis, and specialized chemical products.


Polymer and Additive Use:Applicable in polyurethane production, diphenylmethane derivatives, and as additives for polymers.


Analytical and Research Utility:Can be used for analyzing standard samples and in research involving pyridines, halogenated heterocycles, and isocyanate esters.



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product description

Products Description of Methylenediphenyl Diisocyanate CAS#101-68-8

4,4'-Diphenylmethane diisocyanate (MDI) and its derivatives are essential chemical industry materials. They are used in polyurethane production, as raw materials/intermediates for high-performance polymers, in functional material development, and in analytical research and chemical formulation additives.

Product Information

Parameters


Melting point38-44 °C
Boiling point392 °C
density1.19
vapor pressure0.066 hPa (20 °C)
refractive index1.5906 (estimate)
Fp196 °C
storage temp.-20°C
solubility2g/l (decomposition)
formsolid
colorWhite to Almost white
Specific Gravity1.18
explose limit0.4%(V)
Water Solubilitydecomposes
FreezingPoint37℃
SensitiveMoisture Sensitive/Lachrymatory
BRN797662
Exposure limitsTLV-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 constant10.0(Ambient)
Stability:Stable. Combustible. Incompatible with strong oxidizing agents. Reacts violently with alcohols.
CAS DataBase Reference101-68-8(CAS DataBase Reference)
NIST Chemistry ReferenceBenzene, 1,1'-methylenebis[4-isocyanato-(101-68-8)
IARC3 (Vol. 19, Sup 7, 71) 1999
EPA Substance Registry System4,4'-Methylenedi(phenyl isocyanate) (101-68-8)


Safety Information


Hazard CodesXn,T,C
Risk Statements42/43-36/37/38-20-48/20-40
Safety Statements45-36/37-23
RIDADR2206
OEBD
OELTWA: 0.05 mg/m3 (0.005 ppm), Ceiling: 0.2 mg/m3 (0.020 ppm) [10-minute]
WGK Germany1
RTECSNQ9350000
Autoignition Temperature>600 °C
Hazard NoteToxic/Corrosive/Lachrymatory/Moisture Sensitive
TSCAYes
HazardClass6.1
PackingGroupII
HS Code29291090
Hazardous Substances Data101-68-8(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 9000 mg/kg
IDLA75 mg/m3


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