7a-Ethyldihydro-1H,3H,5H-oxazolo[3,4-c]oxazole
[CAS# 7747-35-5]

Identification

• Name: 7a-Ethyldihydro-1H,3H,5H-oxazolo[3,4-c]oxazole
• Synonyms: 5-Ethyl-1-aza-3,7-dioxabicyclo[3.3.0]octane
• Molecular Formula: C₇H₁₃NO₂
• Molecular Weight: 143.18
• CAS Registry Number: 7747-35-5
• EC Number: 231-810-4

Properties

• Density: 1.13
• Boiling point: 197 ºC
• Flash point: 79 ºC

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R21/22;R36/37/38;R43
• Safety Description: S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H332
Skin sensitization	Skin Sens.	1	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Eye irritation	Eye Irrit.	2	H319
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Respiratory sensitization	Resp. Sens.	1	H334
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin sensitization	Skin Sens.	1A	H317