| Agent Name |
Trimethyl borate |
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| CAS Number |
121-43-7 |
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| Formula |
C3-H9-B-O3 |
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| Major Category |
Metals |
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| Synonyms |
Borester O; Boric acid (H3BO3), trimethyl ester; Boric acid, trimethyl ester; Methyl borate; Trimethoxyborane; Trimethoxyborine; Trimethoxyboron; Trimethylester kyseliny borite [Czech]; UN2416; [ChemIDplus] |
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| Category |
Metalloids and Compounds |
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| Description |
Colorless liquid; [ICSC] |
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| Sources/Uses |
Used as a flame retardant, welding and brazing flux, chemical intermediate, fungicide, and a solvent for waxes, resins, and oils; [HSDB] |
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| Comments |
A skin and eye irritant; Inhalation may cause cough and sore throat; [ICSC] Chronic poisoning in grazing animals where soil is high in boric acid results in vomiting, diarrhea, shock, convulsions, and paralysis; Post-mortem findings include inflammation of the GI tract, liver and kidney damage, and cerebral edema; [HSDB] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Not evaluated |
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| Vapor Pressure |
137 mm Hg |
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| Flammability (NFPA) |
3: may ignite at ambient temperature |
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| Adverse Effects |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: TRIMETHYL BORATE
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