TERMIUM Plus®

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DIISOCYANATE [8 records]

Record 1 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
C8H12N2O2
formula, see observation
OCN(CH2)6NCO
formula, see observation
822-06-0
CAS number
DEF

A chemical compound which appears under the form of a combustible liquid and is used as a chemical intermediate.

OBS

hexamethylenediisocyanate: obsolete form.

OBS

Chemical formula: C8H12N2O2 or OCN(CH2)6NCO

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
C8H12N2O2
formula, see observation
OCN(CH2)6NCO
formula, see observation
822-06-0
CAS number
DEF

Composé chimique qui se présente sous la forme d'un liquide combustible et que l'on utilise comme produit intermédiaire.

OBS

hexaméthylènediisocyanate : forme vieillie et incorrecte.

OBS

Formule chimique : C8H12N2O2 ou OCN(CH2)6NCO

Spanish

Save record 1

Record 2 2011-07-11

English

Subject field(s)
  • Chemical Elements and Compounds
  • Manufactured Products (Rubber)
DEF

An organic compound with two isocyanate groups (-NCO) which is formed by treating diamines (e.g., toluene-2,4-diamine, etc.) with phosgene, which is combustible, and which is used in the production of polyurethane foams and elastomers, in phenol-formaldehyde resins to improve water and alkali resistance and in bonding rubber to rayon or nylon.

Key term(s)
  • di-isocyanate

French

Domaine(s)
  • Éléments et composés chimiques
  • Produits fabriqués (Caoutchouc)
DEF

Composé chimique renfermant deux groupements -NCO, que l'on utilise dans la fixation du caoutchouc sur la rayonne ou le nylon.

Spanish

Save record 2

Record 3 2011-06-22

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
CH2(C6H4NCO)2
formula, see observation
C15H10N2O2
formula, see observation
101-68-6
CAS number
CONT

Polyurethane (or polyisocyanate) resins are produced by the reaction of a diisocyanate with a compound containing at least two active hydrogen atoms, such as diol or diamine. Toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI) and hexamethylene diisocyanate (HDI) are frequently employed. They are prepared by the reaction of phosgene with the corresponding diamines ...

OBS

Use: Preparation of polyurethane resin and spandex fibers, bonding rubber to rayon and nylon.

OBS

1,1'-methylenebis(4-isocyanatobenzene): form recommended by the IUPAC (International Union of Pure and Applied Chemistry) for the systematic name corresponding to the CAS number indicatd on the present record.

OBS

Also known under the following trade names: Caradate 30; Desmodur 44; Hylene M50; Isonate; Nacconate 300; Rubinate 44.

OBS

p-: This prefix must be italicized.

OBS

MDI: This might be an in-house or a non-recognized abbreviation; not to be used alone, to avoid any risk of confusion.

OBS

Chemical formula: CH2(C6H4NCO)2 or C15H10N2O2

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
CH2(C6H4NCO)2
formula, see observation
C15H10N2O2
formula, see observation
101-68-6
CAS number
DEF

Composé chimique qui sert à la préparation de résines polyuréthanes et à la fixation du caoutchouc sur la rayonne et le nylon.

OBS

1,1'-méthylènebis(4-isocyanatobenzène) : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée) pour le nom systématique correspondant au numéro CAS indiqué sur la présente fiche.

OBS

MDI : abréviation non officielle; ne pas l'utiliser seule, pour éviter tout risque de confusion.

OBS

p-: Ce préfixe s'écrit en italique.

OBS

Formule chimique : CH2(C6H4NCO)2 ou C15H10N2O2

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
CH2(C6H4NCO)2
formula, see observation
C15H10N2O2
formula, see observation
101-68-6
CAS number
OBS

Sólido fundido de color amarillo claro; soluble en acetona, benceno, keroseno y nitrobenceno. Combustible. Fuerte irritante. Tolerancia 0, 02 ppm en el aire.

OBS

Fórmula química: CH2(C6H4NCO)2 o C15H10N2O2

Save record 3

Record 4 2011-03-18

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
C12H18N2O2
formula, see observation
4098-71-9
CAS number
DEF

A chemical compound which appears under the form of a colorless to slightly yellow liquid, is completely miscible with esters, ketones, ethers, aromatic and aliphatic hydrocarbons, yields polyurethanes with high stability and is resistant to light discoloration.

OBS

5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane: This form recommended by the IUPAC (International Union of Pure and Applied Chemistry).

OBS

isophorone diisocyanate: commercial name.

OBS

Also known under the following commercial designation: UN 2290.

OBS

Chemical formula: C12H18N2O2

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
C12H18N2O2
formula, see observation
4098-71-9
CAS number
OBS

5-isocyanato-1-(isocyanatométhyl)-1,3,3-triméthylcyclohexane : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).

OBS

Formule chimique : C12H18N2O2

Spanish

Save record 4

Record 5 1999-06-18

English

Subject field(s)
  • Plastic Materials
CONT

Polyurethane (or polyisocyanate) resins are produced by the reaction of a diisocyanate with a compound containing at least two active hydrogen atoms, such as a diol or diamine. Toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), and hexamethylene diisocyanate (HDI) are frequently employed. They are prepared by the reaction of phosgene with the corresponding diamines ....

OBS

Utilization : chemical intermediate.

French

Domaine(s)
  • Matières plastiques
CONT

Si le polyuréthanne résulte de la réaction d'un diol avec un diisocyanate, il est linéaire. [...] Les diisocyanates les plus employés sont l'hexamethylène diisocyanate (HMDI) et le toluène diisocyanate (TDI).

Spanish

Save record 5

Record 6 1996-07-24

English

Subject field(s)
  • Titles of Laws and Regulations

French

Domaine(s)
  • Titres de lois et de règlements
OBS

DORS 77-111.

Spanish

Save record 6

Record 7 1993-02-04

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)

Spanish

Save record 7

Record 8 1993-02-03

English

Subject field(s)
  • Chemical Elements and Compounds
  • Plastic Materials
Universal entry(ies)
CONT

Toluene diisocyanate is made by nitrating toluene to the dinitro compound, which is then reduced to the diamine, and treated with phosgene to obtain the diisocyanate .... [It] is widely used in the manufacture of urethane plastics, particularly the urethane foamed plastics.

OBS

There are two isomers: toluene-2,4-diisocyanate, the most common, and toluene-2,6-diisocyanate, an impurity. See also those records.

French

Domaine(s)
  • Éléments et composés chimiques
  • Matières plastiques
Entrée(s) universelle(s)
CONT

Les isocyanates [...] interviennent principalement dans la fabrication des mousses au polyuréthanne. Les deux principaux sont : - le toluène diisocyanate (TDI) utilisé pour la synthèse des mousses flexibles [...] - le diphénylméthane isocyanate (MDI) utilisé pour la synthèse de mousses rigides.

Spanish

Save record 8

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