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3634-83-1

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Identification

Name
1,3-Bis(isocyanatomethyl)benzene
CAS
3634-83-1
Synonyms
ISOCYANIC ACID 1,3-PHENYLENEDIMETHYLENE ESTER
M-XYLENE DIISOCYANATE
M-XYLYLENE DIISOCYANATE
1,3-bis(isocyanatomethyl)-benzen
1,3-bis-(isokyanatomethyl)benzen
1,3-xylylenediisocyanate
isocyanicacid,m-phenylenedimethyleneester
m-phenylenedimethyleneisocyanate
m-xdi
m-xylene-alpha,alpha’-diisocyanate
m-xylidenediisocyanate
m-xylylendiisokyanat
takenate
takenate500
m-Xylylene diisocyanate (XDI)
M-XYLYLENE DIISOCYANATE, STAB.
M-XYLYLENE DIISOCYANATE 95+%
EETA-XYLYLENE DIISOCYANATE
3-XYLYLENEDIISO-CYANATE
1,3-Bis(isocyanatomethyl)benzol
EINECS(EC#)
222-852-4
Molecular Formula
C10H8N2O2
MDL Number
MFCD00019917
Molecular Weight
188.18
MOL File
3634-83-1.mol

Chemical Properties

Melting point 
-7°C
mp 
-7°C
Boiling point 
88-90 °C/0.02 mmHg (lit.)
bp 
88-90 °C0.02 mm Hg(lit.)

density 
1.202 g/mL at 20 °C(lit.)

refractive index 
n20/D 1.451

Fp 
42°C
storage temp. 
2-8°C

BRN 
781825
CAS DataBase Reference
3634-83-1(CAS DataBase Reference)
EPA Substance Registry System
3634-83-1(EPA Substance)

Safety Data

Hazard Codes 
C
Risk Statements 
R10:Flammable.
R34:Causes burns.
R42:May cause sensitization by inhalation.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR 
UN 2920 8/PG 2

WGK Germany 
2

RTECS 
NR0147000


8-10-19-21
HazardClass 
6.1
PackingGroup 
II
HS Code 
29291090
Safety Profile
Moderately toxic by ingestion. A severe skin and eye irritant. A sensitizer. A flammable liquid. When heated to decomposition it emits very toxic fumes of NOx. See also ISOCYANATES.

Spectrum Detail

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