tert-butylacetylene

tert-butylacetylene

It is used in pharmaceutical intermediates and organic synthesis.

Alias 3,3-Dimethyl-1-butyne

Purity 99%

Specification 25kg/drum

Product English Name 3,3-Dimethyl-1-butyne

CAS No:917-92-0Proanthocyanidin B1

Use Scientific research institutions

Detection method HPLC

Appearance white powder

Specification 1g/bottle

Packaging Brown glass bottle

Grade Pharmaceutical Grade

English name Procyanidin B1

Extracted from grapes

Purity 98%

Main ingredient anthocyanin

Enforce quality standards

CAS No:20315-25-7

Molecular formula: C30H26O12

Boiling point: 955.3°C at 760 mmHg

Flash point: 531.6°C

Density: 1.705

Uses: Proanthocyanidin B1 has antioxidant, anti-tumor and cardiovascular protection effects.

Safety Instructions: 24/25

EINECS Number: 213-035-3

Molecular formula: C6H10

Boiling point: 37-38℃

Flash point: -34℃

Refractive index: 1.373-1.375

Density: 0.668

Appearance transparent colorless liquid

Uses: used as an intermediate of the drug terbinafine, also used in organic synthesis

Safety Instructions: S3; S16; S26; S33; S7/9

Dangerous Goods Shipping Number: UN 3295