offer gallic acid
Date：2021-12-02 Categories：Related Application Product
| post date: |
dec 01,2021 |
| expiry date: |
dec 31,2021 |
| detailed description: |
cas no. :149-91-7
quantity: 500metric tons
specs:gallic acid, chinese gallic
appearance: white or pale colored crystalline powder.
quality standard: conform to the requirements of european-93(class-1), japan jis (class-1), u.s.p the 21 edition (1985)
content: not less than 99%
sulfates: not more than 10ppm
water-soluble test: clear and transparent
loss on drying: not more than 10%
residue on ignition: not more than 0.1%
packing: a net weight of 25kg, packed in carton bag.
application: gallic acid is used in determination of bismuth, cerium, copper, nitrite phosphorus, silver thorium and titanium, etc. it has been widely used in pharmaceutical, dyestuff, chemical and organic synthetic industries. |
| cas registry number: |
149-91-7
|
| synonyms: |
;3,4,5-trihydroxybenzoic acid;pyrogallol-5-carboxylic acid;gallic acid anhydrous;gallic acid(anhydrous); |
| molecular formula: |
c7h6o5 |
| molecular weight: |
170.1195 |
| molecular structure: |
|
| hazard symbols: |
![]() xi:irritant; |
| risk codes: |
r36/37/38:; |
| safety description: |
s24/25:; |
