上海莼源

2,3,4,4'-四羥基二甲酮;

Synonyms:   4-(4-Hydroxybenzoyl)-1,2,3-trihydroxybenzene;     4-(4-Hydroxybenzoyl)

pyrogallol

CAS No.: 31127-54-5

Molecular Weight: 246.219

Molecular Formula: C13H10O5

Specification

Item                   Standard

Appearance:     Yellow powder;

Melt point:         219.0-222.0 Centigrade;

Purity:                ≥99.5%;

Solution:             Clear;

Water content:     ≤0.5%;

Na:                       ≤200ppb;

Fe:                       ≤200 ppb;

K:                         ≤200 ppb;

Ca:                       ≤200 ppb;

Mg:                     ≤200 ppb;

Cu:                       ≤200 ppb;

Mn:                       ≤200 ppb;

Pb:                      ≤200 ppb;

Use: additive materials for fine chemistry and electronics industry. Store: airproof and protect from light

Packing: net weight 20kg per drum