久久99精品久久久久久9,无遮18禁在线永久免费观看挡,7777精品久久久大香线蕉,中文精品久久久久人妻不卡,无码人妻一区二区三区麻豆,伊人久久大香线蕉AV五月天宝贝,男女视频在线一区二区,亚洲日本va中文字幕婷婷,99久久亚洲综合精品网,国产精品亚洲丝袜专区

Structural formula

CAS.NO

3030-47-5

EC.NO

221-201-4

Molecular weight

173.3

Molecular formula

C₉H₂₃N₃

Physical and chemical properties

Appearance

colorless to yellowish transparent liquid

Density (25℃)

0.83g/ml

Boiling point

198℃ at 760mmHg

Flash point

128F

Refractive index

1.4420 (n20/D)

Content

≥98%

Packing

Hazard code

R22/24/34

No.

2735

Class of risk

8

Classification of packing

Ⅱ

Net weight

170kg