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Tolylene-2,4-diisocyanate CAS#584-84-9

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Chemical Name：Tolylene-2,4-diisocyanate

CAS No.:584-84-9

Molecular Formula：C9H6N2O2

Molecular weight:174.16

Sample: Available

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Product Details

Products Description of Tolylene-2,4-diisocyanate CAS#584-84-9

Toluene-2,4-diisocyanate is a colorless, transparent liquid at room temperature and pressure, and is sensitive to moisture. It is a relatively stable compound, but it is easily hydrolyzed and should be stored in a cool, dry, well-ventilated place, away from direct sunlight.

Tolylene-2,4-diisocyanate Chemical Properties

Melting point	20-22 °C(lit.)
Boiling point	124-126 °C18 mm Hg(lit.)
density	1.225 g/mL at 25 °C
vapor density	6 (vs air)
vapor pressure	0.03 mm Hg ( 25 °C)
refractive index	n20/D 1.568(lit.)
Fp	250 °F
storage temp.	2-8°C
solubility	Miscible with ether, acetone, benzene, carbontetrachloride and chlorobenzene.
form	Liquid
Specific Gravity	1.225
color	Colorless
Odor	Sharp, pungent odor detectable at 0.02 to 0.4 ppm
explosive limit	9.5%
Water Solubility	reacts
Sensitive	Moisture Sensitive
Merck	14,9530
BRN	744602
Exposure limits	TLV-TWA 0.0355 mg/m3 (0.005 ppm) (ACGIH and NIOSH); STEL or ceiling/10 min 0.142 mg/m3 (0.02 ppm) (ACGIH, NIOSH, and OSHA); IDLH 71 mg/m3 (10 ppm) (NIOSH).
Stability:	Stable, but decomposes in the presence of moisture. Also heat and light sensitive. Readily polymerizes in contact with base. Reacts with compounds containing active hydrogen. Incompatible with strong oxidizing agents. Corrodes some copper and aluminium alloys.
InChIKey	DVKJHBMWWAPEIU-UHFFFAOYSA-N
LogP	3.43 at 22℃
CAS DataBase Reference	584-84-9(CAS DataBase Reference)
NIST Chemistry Reference	Benzene, 2,4-diisocyanato-1-methyl-(584-84-9)
EPA Substance Registry System	Toluene-2,4-diisocyanate (584-84-9)

Safety Information

Hazard Codes	T+
Risk Statements	26-36/37/38-40-42/43-52/53
Safety Statements	23-36/37-45-61
RIDADR	UN 2078 6.1/PG 2
WGK Germany	2
RTECS	CZ6300000
F	10-21
Autoignition Temperature	>619 °C
TSCA	Yes
HazardClass	6.1
PackingGroup	II
HS Code	29291010
Hazardous Substances Data	584-84-9(Hazardous Substances Data)
Toxicity	Acute oral LD50 for rats 5,800 mg/kg, wild birds 100 mg/kg (quoted, RTECS, 1985).
IDLA	2.5 ppm

Product Application of Tolylene-2,4-diisocyanate CAS#584-84-9

It is mainly used in polyurethane products, including foam plastics, polyurethane coatings, and polyurethane rubber; polyimide fibers and adhesives also have some applications.

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