5-Methyl-1H-benzotriazole(136-85-6)

Contents

Product Identification	Back to Contents
【Product Name】 5-Methyl-1H-benzotriazole
【Synonyms】 5-Methyl-1H-benzotriazole (1,2,3) 5-Methyl-2H-benzotriazole 5-Methylbenzotriazole
【CAS】 136-85-6
【Formula】 C7H7N3
【Molecular Weight】 133.16999999999999
【EINECS】 205-265-8
【RTECS】 DM1400000
【RTECS Class】 Other
【Beilstein/Gmelin】 116658
【Beilstein Reference】 4-26-00-00144

Physical and Chemical Properties	Back to Contents
【Appearance】 Beige powder
【Solubility in water】 6 g/L
【Melting Point】 85
【Boiling Point】 361
【Vapor Pressure】 2E-5 (25 C)
【pKa/pKb】 8.66 (pKa)
【Partition Coefficient】 1.8
【Heat Of Vaporization】 60.6 kJ/mol

First Aid Measures	Back to Contents
【Ingestion】 Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
【Inhalation】 Remove from exposure to fresh air immediately.
【Skin】 Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】 Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Handling and Storage	Back to Contents
【Storage】 Store in a cool, dry place. Keep container closed when not in use.
【Handling】 All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Exposure Controls/Personal Protection	Back to Contents
【Personal Protection】 Wear appropriate safety goggles, protective clothing and gloves.
【Respirators】 Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
【Exposure Effects】 The toxicological properties of this material have not been investigated.

Fire Fighting Measures	Back to Contents
【Flash Point】 182
【Fire Fighting】 Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Accidental Release Measures	Back to Contents
【Small spills/leaks】 Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity	Back to Contents
【Incompatibilities】 Avoid contact with strong oxidizing agents, strong acids.
【Stability】 Stable under normal temperatures and pressures.

Hazards Identification	Back to Contents
【Hazards】 During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
【EC Risk Phrase】 R 22 36/37/38
【EC Safety Phrase】 S 26 36/37/39

Company Name:	Yurui (Shanghai) Chemical Co., Ltd.
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Company Name:	Hubei Hanqing Biopharmaceutical Technology Co., Ltd
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Company Name:	Tianjin Zhongxin Chemtech Co., Ltd.
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Company Name:	Meryer (Shanghai) Chemical Technology Co., Ltd.
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Company Name:	3B Pharmachem (Wuhan) International Co.,Ltd.
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Company Name:	Alfa Aesar
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