2-METHYL-M-PHENYLENE DIISOCYANATE

ChemicalBook > CAS DataBase List > 2-METHYL-M-PHENYLENE DIISOCYANATE

2-METHYL-M-PHENYLENE DIISOCYANATE

Product Name: 2-METHYL-M-PHENYLENE DIISOCYANATE
CAS No.: 91-08-7
Chemical Name: 2-METHYL-M-PHENYLENE DIISOCYANATE
Synonyms: 2,6-TDI;hylenetic;2,6-TOLYLENE DIISOCYANATE;1,3-Diisocyanato-2-methylbenzene;Hylene tic;TDIPREPOLYMER;TOLUILENDIISOCYANATE;2-METHYL-M-PHENYLENE;Toluen 2,6-diisocyanate;2,6-Toluylendiisocyanat
CBNumber: CB1408074
Molecular Formula: C9H6N2O2
Formula Weight: 174.16
MOL File: 91-08-7.mol

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2-METHYL-M-PHENYLENE DIISOCYANATE Property

Melting point:: 13°C
Boiling point:: 129-133 °C18 mm Hg(lit.)
Density: 1.225 g/mL at 25 °C(lit.)
vapor pressure: 2.78Pa at 25℃
refractive index: n20/D 1.571(lit.)
Flash point:: >230 °F
storage temp.: −20°C
form: Liquid
color: Clear colorless to light yellow
Water Solubility: It hydrolyzes in water.
Sensitive: Moisture Sensitive
BRN: 2211546
Exposure limits: ACGIH: TWA 0.001 ppm; STEL 0.005 ppm (Skin)
Stability:: Stability Reacts violently with water. Reacts very rapidly with compounds containing an active hydrogen, such as amines, alcohols and acids. Polymerizes rapidly in the presence of base. Combustible. Incompatible with strong oxidizing agents.
LogP: 3.74
CAS DataBase Reference: 91-08-7(CAS DataBase Reference)
EPA Substance Registry System: Toluene-2,6-diisocyanate (91-08-7)

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Safety

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: CZ6310000
F: 8-10-19-21
Autoignition Temperature: >1148 °F
TSCA: Yes
HazardClass: 6.1
PackingGroup: II
HS Code: 29291090
Hazardous Substances Data: 91-08-7(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H330Fatal if inhaled

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H335May cause respiratory irritation

H351Suspected of causing cancer

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 223867
Product name: Tolylene-2,6-diisocyanate
Purity: 97%
Packaging: 1g
Price: $65.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 33493
Product name: 2,6-TDI
Purity: analytical standard
Packaging: 100mg
Price: $90.1
Updated: 2024/03/01

Sigma-Aldrich

Product number: 223867
Product name: Tolylene-2,6-diisocyanate
Purity: 97%
Packaging: 5g
Price: $213
Updated: 2024/03/01

TCI Chemical

Product number: T1153
Product name: Tolylene-2,6-diisocyanate
Purity: >98.0%(GC)
Packaging: 1g
Price: $41
Updated: 2024/03/01

TCI Chemical

Product number: T1153
Product name: Tolylene-2,6-diisocyanate
Purity: >98.0%(GC)
Packaging: 5g
Price: $125
Updated: 2024/03/01

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2-METHYL-M-PHENYLENE DIISOCYANATE Chemical Properties,Usage,Production

Chemical Properties

colourless liquid

Uses

2-Methyl-m-phenylene Diisocyanate is used in method for preparing breathable sweat-absorbing EVA foam shoe material.

Uses

2,6-TDI may be used as a reference standard for the quantification of residual 2,6-TDI in foam samples using high performance liquid chromatography coupled to coordination-ionspray tandem mass spectrometry (HPLC-CIS-MS/MS).

Definition

ChEBI: A toluene meta-diisocyanate in which the isocyanato groups are at positions 2 and 6 relative to the methyl group on the benzene ring.

Synthesis Reference(s)

The Journal of Organic Chemistry, 60, p. 257, 1995 DOI: 10.1021/jo00106a044

General Description

Liquid. Used in the manufacture of polyurethane foams, elastomers, and coatings; crosslinking agent for nylon 6.

Reactivity Profile

2-METHYL-M-PHENYLENE DIISOCYANATE reacts violently with amines, alcohols, bases and warm water, causing fire and explosion hazards. [Handling Chemcials Safely 1980. p. 907]. Reaction with water to form Carbon Dioxide [Merck 11th ed. 1989].

Health Hazard

Classified as slightly toxic orally. Probable oral lethal dose in humans is 5 to 15 g/kg or between 1 pint and 1 quart for a 70 (l50 lb.) person. Particularly poisonous when breathed. This is among the most poisonous of isocyanates. Acute and chronic exposures to low concentrations may produce asthmatic attacks.

Fire Hazard

When heated to decomposition, 2-METHYL-M-PHENYLENE DIISOCYANATE emits toxic fumes of nitrogen oxides. Ventilation should be adequate. If polyurethane products are heated, protection against isocyanate release is necessary. Avoid decomposing heat.

Flammability and Explosibility

Non flammable

Safety Profile

Confirmed carcinogen. Poison by ingestion and inhalation. Human systemic effects by inhalation: olfactory, eye, and pulmonary changes. Flammable liquid. When heated to decomposition it emits toxic fumes of NOx. See also CYANATES.

Purification Methods

It is purified by fractional distillation in a vacuum. Store it under N2 in sealed dark ampoules as it is water and light sensitive. Like the preceding 2,4-isomer, it has a sharp pungent odour, is TOXIC and is IRRITATING TO THE EYES. [Beilstein 13 IV 259.]

2-METHYL-M-PHENYLENE DIISOCYANATE Preparation Products And Raw materials

Raw materials

Preparation Products

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2-METHYL-M-PHENYLENE DIISOCYANATE Suppliers

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View Lastest Price from 2-METHYL-M-PHENYLENE DIISOCYANATE manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: 2-METHYL-M-PHENYLENE DIISOCYANATE 91-08-7
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 mt
Release date: 2023-01-10

Hebei Mojin Biotechnology Co., Ltd

Product: 2-METHYL-M-PHENYLENE DIISOCYANATE 91-08-7
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-08-15

91-08-7, 2-METHYL-M-PHENYLENE DIISOCYANATERelated Search:

TOLYLENE 2,5-DIISOCYANATE Phenyl isocyanate 1,3-PHENYLENE DIISOCYANATE METHYLISOCYANATE 1 X 500MG NEAT m-Phenylenediamine 2,6-Diaminotoluene 2-METHYL-M-PHENYLENE DIISOCYANATE 2-Methylphenyl isocyanate 4-CHLORO-6-METHYL-M-PHENYLENE DIISOCYANATE Tolylene-2,4-diisocyanate ISOCYANIC ACID 2,4,6-TRIMETHYL-1,3-PHENYLENE DIISOCYANATE TRIPHENYLOLMETHANE TRIGLYCIDYL ETHER 2,6-TOLYLENE DIISOCYANATE ADDUCT 2,4-dioxo-1,3-diazetidine-1,3-bis(methyl-m-phenylene) diisocyanate 2-Propenoic acid, 2-hydroxyethyl ester, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl) Alkenes, C>10 alpha-, oxidized, reaction products with 2,4-TDI 5-(p-isocyanatobenzyl)-6-methyl-m-phenylene diisocyanate 4-[(5-isocyanato-2-methylphenyl)methyl]-m-phenylene diisocyanate

1,3-diisocyanato-2-methyl-benzen

1,3-Diisocyanato-2-methylbenzene

1,3-diisocyanato-2-methyl-Benzene

2,6-diisocyanato-1-methyl-benzen

2,6-Diisocyanato-1-methylbenzene

2,6-Toluenediiosocyanate

Isocyanic acid, 2-methyl-m-phenylene ester

isocyanicacid,2-methyl-meta-phenyleneester

isocyanicacid,2-methyl-m-phenyleneester

toluylene-2,6-diisocyanate

Toluen 2,6-diisocyanate

Toluene-2,6-diisocyanate,96%

TDIPREPOLYMER

ISOCYANICACID,METHYL-META-PHENYLENEESTER

TOLUILENDIISOCYANATE

2,6-Toluylendiisocyanat

2-Methyl-m-phenylendiisocyanat

2-Methyl-m-phenylene diisocyanate, Tolylene-2,6-diisocyanate

Toluene-2,6-diyldiisocyanate

Tolylene 2,6-diisocyanate,97%

2-METHYL-M-PHENYLENE

2-Methyl-m-phenylene Diisocyanate Toluene-2,6-diisocyanate

Tolylene-2,6-diisocyanate 97%

2-Methyl-meta-phenylene diisocyanate

2-Methyl-meta-phenylene isocyanate

2-methyl-meta-phenylenediisocyanate

2-methyl-meta-phenyleneisocyanate

2-Methyl-m-phenylene isocyanate

2-methyl-m-phenyleneisocyanate

Benzene, 2,6-diisocyanato-1-methyl-

benzene,1,3-diisocyanato-2-methyl-

Hylene tic

hylenetic

Isocyanic acid, 2-methyl-meta-phenylene ester

2,6-TOLYLENEDIISOCYANATE, 2-methyl-m-phenylene diisocyanate, toluene-2,4-di-isocyanate

2-METHYL-1,3-PHENYLENE DIISOCYANATE

2-METHYL-M-PHENYLENE DIISOCYANATE

2,6-DIISOCYANATOTOLUENE

2,6-TDI

2,6-TOLUENEDIISOCYANATE

2,6-TOLYLENE DIISOCYANATE

TOLYLENE 2,6-DIISOCYANATE

TOLUENE-2,6-DIISOCYANATE

Toluene2,6-diisocyanateSolution,1000mg/L,5x1ml

Toluene2,6-diisocyanateSolution,1000mg/L,1ml

L-Homocysteine Solution, 100μg/mL

CA17594600 2,6-Toluenediisocyanate

91-08-7

1991-08-07

199-18-7

1991/8/7

CH3C6H3NCO2

Building Blocks

Organic Building Blocks

Isocyanates

Nitrogen Compounds