Norbornane Diisocyanate


2,5(6)-Bis(isocyanatomethyl)bicyclo[2.2.1]heptane, CAS #161973-12-2, 74091-64-8 supplier, PMN 94-437

Molecular weight 206.27
Substitution in the 5 and 6 position
Isocyanate, % 40.8
Equivalent weight 103.1

MSDS Mitsui See supplier for latest data
Routes of Entry: Skin, Inhalation, Ingestion
Oral: 1842mg/kg (rat ), 1201mg/kg (rat )
Inhalation LC50: 54mg/m/4hrs. (rabbit)
Skin Irritation: Moderately irritative (rabbit)
Eye Irritation: Severely irritative (rabbit)
Dermal Sensitivity: Moderately sensitizer (rabbit)
Ames Test: Negative
Chromosomal Aberration: Negative

Boiling Point  6 mm Hg,  C (F) 159 (318)
Melting Point,  C (F) <-30  (<-20)
Specific Gravity, 20C, 68F  (H2O=1): 1.14
Viscosity, 25C, cps 9
Flash Point, C  (F) 177
Ignition Temperature: 440C
Vapor Pressure, 2 mmHg, C (F) 135  (275)
Vapor Pressure, 6 mmHg, C (F) 159  (318)
Regulatory Inventory
CAS REGISTRY NUMBER # 161973-12-2, 74091-64-8 NAME : Bicyclo[2.2.1]heptane, 2,5(or 2,6)-bis(isocyanatomethyl)
DSL Canada    
EINECS Europe    
ECL Korea ECL Serial No. 96-138, No. 97-3-657 Yes
ENCS Japan    
AICS Australia    
The fact that a compound is not listed under a specific CAS # in a countries inventory does not mean this compound cannot be used, it can be an exempt compound or polymer which does not require listing, or it can be listed in a different category. Ask your supplier.
Other names: 
Norbornane diisocyanate
2,5(2,6)-Bis(isocyanatomethyl)bicyclo [2.2.1]heptane 
Bicyclo[2.2.1]heptane, bis(isocyanatomethyl)- (ASIA-PAC)
Commercial Products or generic terms used for products. For manufacturer see Isocyanate MFCT.
Some of these product names might not be commercial anymore, the product names still might be in old formulations

Last edited on:

July 06, 2006

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