tert-Butyl hydroperoxide
[CAS# 75-91-2]

Identification

• Classification: Organic raw materials >> Alcohols, phenols, phenolic compounds and derivatives >> Halogenated, sulfonated, nitrated or nitrosated derivatives of alcohols
• Name: tert-Butyl hydroperoxide
• Synonyms: TBHP
• Molecular Formula: C₄H₁₀O₂
• Molecular Weight: 90.12
• CAS Registry Number: 75-91-2
• EC Number: 200-915-7

Properties

• Density: 0.94
• Melting point: -2.8 °C
• Boiling point: 37 °C (15 mmHg)
• Refractive index: 1.386-1.388
• Flash point: 43 °C
• Water solubility: Miscible

Safety Data

• Hazard Symbols: GHS08 Warning
• Risk Statements: H341
• Safety Statements: S14A;S16;S17;S24;S3/7;S36/37/39;S45;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Germ cell mutagenicity	Muta.	2	H341
Acute toxicity	Acute Tox.	3	H311
Serious eye damage	Eye Dam.	1	H318
Skin sensitization	Skin Sens.	1	H317
Organic peroxides	Org. Perox.	F	H242
Skin corrosion	Skin Corr.	1C	H314
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	2	H330
Skin corrosion	Skin Corr.	1B	H314
Skin sensitization	Skin Sens.	1A	H317
Organic peroxides	Org. Perox.	C	H242
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312
Carcinogenicity	Carc.	2	H351
Oxidising liquids	Ox. Liq.	3	H272
Self-reactive substances or mixtures	Self-react.	C	H242
Organic peroxides	Org. Perox.	A	H240
Flammable liquids	Flam. Liq.	2	H225
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute toxicity	Acute Tox.	1	H330
Specific target organ toxicity - single exposure	STOT SE	3	H336
Skin corrosion	Skin Corr.	1A	H314
Skin corrosion	Skin Corr.	1	H314
Self-reactive substances or mixtures	Self-react.	F	H242