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Substance Name: Toluene diisocyanate
RN: 26471-62-5
UNII: 9MTX1PK3QO
Molecular Formula
- C9-H6-N2-O2
Molecular Weight
- 174.1561
Classification Codes
Classification Codes
- Mutation Data
- Skin / Eye Irritant
- TSCA Flag SP (Substance is Identified in a Proposed Significant New Use Rule)
- Tumor Data
Superlist Classification Codes
- Reasonably Anticipated to be a Carcinogen
- Reportable Quantity (RQ) = 100 lb
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Links to Resources
NLM Resources (File Locators)
Regulatory Agencies (Superlist Locators)
Other Resources (Internet Locators)
Names and Synonyms
Name of Substance
- Toluene diisocyanate
Synonyms
- 1,3-Diisocyanatomethylbenzene
- 2,4/2,6-Toluene diisocyanate isomeric mixture
- Benzene, 1,3-diisocyanatomethyl-
- CCRIS 596
- Desmodur T 80
- Desmodur T100
- Diisocyanatotoluene
- EC 247-722-4
- EINECS 247-722-4
- HSDB 6003
- Isocyanic acid, methyl-m-phenylene ester
- Methyl-m-phenylene isocyanate
- Methyl-meta-phenylene diisocyanate
- Methylphenylene isocyanate
- Mondur TD-80
- Nacconate-100
- Niax isocyanate TDI
- RCRA waste number U223
- Rubinate TDI
- Rubinate TDI 80/20
- TDI
- TDI 80-20
- Toluene diisocyanate
- Tolylene diisocyanate
- Tolylene isocyanate
- UN 2078
- UNII-9MTX1PK3QO
Systematic Names
- Benzene, 1,3-diisocyanatomethyl-
- Isocyanic acid, methyl-m-phenylene ester
- m-Tolylidene diisocyanate
- Toluene diisocyanate
Superlist Names
- 1,3-Diisocyanatomethylbenzene
- 1,3-Diisocyanatomethylbenzene [Toluenediisocyanates]
- 2,4- and 2,6-Toluene diisocyanate
- 2,4-Toluene diisocyanate
- Benzene, 1,3-diisocyanatomethyl-
- Isocyanic acid, methyl-m-phenylene ester
- RCRA waste no. U223
- TDI
- Toluene diisocyanate
- Toluene diisocyanate [UN2078] [Poison]
- Toluene-2,4-diisocyanate (mixt. with Toluene-2,6-diisocyanate)
- Toluenediisocyanate (mixed isomers)
- UN2078
Registry Numbers
CAS Registry Number
- 26471-62-5
FDA UNII
- 9MTX1PK3QO
Other Registry Numbers
- 104213-33-4
- 110681-06-6
- 1186289-23-5
- 1204229-13-9
- 1204746-08-6
- 1211316-67-4
- 1321-39-7
- 1326716-94-2
- 136154-22-8
- 1421949-89-4
- 1422250-41-6
- 1422343-79-0
- 1432062-26-4
- 25321-34-0
- 29033-29-2
- 50853-47-9
- 50985-24-5
- 71215-63-9
- 72214-34-7
- 80498-23-3
- 8065-47-2
- 89698-92-0
System Generated Number
- 0026471625
Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LC50 | inhalation | 12700ppb/4H (12.7ppm) | BEHAVIORAL: EXCITEMENT LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS | American Industrial Hygiene Association Journal. Vol. 23, Pg. 447, 1962. |
| mouse | LC50 | inhalation | 9700ppb/4H (9.7ppm) | BEHAVIORAL: EXCITEMENT LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS | American Industrial Hygiene Association Journal. Vol. 23, Pg. 447, 1962. |
| mouse | LD50 | oral | 1950mg/kg (1950mg/kg) | Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. Vol. 39, Pg. 202, 1980. | |
| rabbit | LC50 | inhalation | 11ppm/4H (11ppm) | GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: EXCITEMENT | American Industrial Hygiene Association Journal. Vol. 23, Pg. 447, 1962. |
| rabbit | LD50 | skin | > 10mL/kg (10mL/kg) | Union Carbide Data Sheet. Vol. 1/11/1967, | |
| rat | LCLo | inhalation | 600ppm/6H (600ppm) | Union Carbide Data Sheet. Vol. 1/11/1967, | |
| rat | LD50 | oral | 4130mg/kg (4130mg/kg) | American Industrial Hygiene Association Journal. Vol. 43, Pg. 89, 1982. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 20 | deg C | EXP | |
| Boiling Point | 251 | deg C | EXP | |
| log P (octanol-water) | 3.740 | (none) | EST | |
| Water Solubility | 37.6 | mg/L | 25 | EST |
| Vapor Pressure | 0.023 | mm Hg | 25 | EXP |
| Henry's Law Constant | 1.11E-05 | atm-m3/mole | 25 | EST |
| Atmospheric OH Rate Constant | 7.07E-12 | cm3/molecule-sec | 25 | EXP |
Physical property data is provided to ChemIDplus by SRC, Inc.