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4,4'-Diphenylmethane diisocyanate CAS#101-68-8

Name: 4,4'-Diphenylmethane diisocyanate CAS#101-68-8
SKU: 0

Basic Information

Basic Information

CAS No.: 101-68-8
Molecular Formula: C15H10N2O2
Molecular Weight: 250.25

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Product Details

The substance is a light-yellow molten solid with a strong, pungent, and irritating odor. It tends to release vapors that may cause discomfort or irritation when inhaled. The compound is readily soluble in various organic solvents, including acetone, benzene, kerosene, and nitrobenzene, making it suitable for use in a range of chemical processes and applications. However, it has limited solubility in water. Due to its volatile nature and the potential health risks associated with prolonged exposure to its fumes, appropriate precautions should be taken when handling this material.

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	1.18
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

This compound is associated with a wide range of chemical categories and applications, including cyanides, isocyanates and their derivatives; polyurethane-based materials; organic building blocks; raw materials for organic chemical synthesis; products used in organic chemistry; isocyanate esters; organic compounds; and general chemical substances. It is also relevant to diphenylmethanes used in high-performance polymer research, functional material chemicals, reagents for advanced polymer studies, analytical standard references, pyridines and halogenated heterocycles, raw materials for new material synthesis, organic intermediates, fundamental chemical substances, and various additives. Related classification terms include the alphabetical index “M” and “META-METH.”

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4,4'-Diphenylmethane diisocyanate CAS#101-68-8

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