Protocatechuic acid NEW
Price | $30 | $20 | $10 |
Package | 1kg | 100kg | 500kg |
Min. Order: | 10kg |
Supply Ability: | 100000kg |
Update Time: | 2024-10-11 |
Product Details
Product Name: Protocatechuic acid | CAS No.: 99-50-3 |
EC-No.: 202-760-0 | Min. Order: 10kg |
Purity: 99% | Supply Ability: 100000kg |
Release date: 2024/10/11 | |
Appearance : White powder | Grade: Tech |
package : bags | keywords : Protocatechuic acid supplier in China |
Shipping : sea , air , express | product name : Protocatechuic acid manufacture |
other name : Protocatechuic acid factory | CAS : 99-50-3 |
Protocatechuic acid CAS 99-50-3 supplier in china
Product Name: | Protocatechuic acid |
Synonyms: | Protocatechuic aci;Protocatechuic acid, 4-Carboxybenzene-1,2-diol, 4-Carboxycatechol;3,4- twohydroxybenzoic acid/protocatechuicacid;3,4-Dihydroxybenzoic acid >=97.0% (T);Carbohydroquinonic acid;Hypogallic acid;3,4-Dihydroxybenzoic acid Vetec(TM) reagent grade, 97%;3,4-Dihydroxybenzoic acid, >=99% |
CAS: | 99-50-3 |
MF: | C7H6O4 |
MW: | 154.12 |
EINECS: | 202-760-0 |
Melting point | 197-200 °C (dec.) (lit.) |
Boiling point | 237.46°C (rough estimate) |
density | 1.54 |
refractive index | 1.6400 (estimate) |
FEMA | 4430 | 3,4-DIHYDROXYBENZOIC ACID |
storage temp. | Store below +30°C. |
solubility | 20g/l |
pka | 4.48(at 25℃) |
form | Fine Crystalline Powder |
color | Beige to brown |
PH | 3.78(1 mM solution);3.25(10 mM solution);2.74(100 mM solution) |
Water Solubility | Soluble in hot alcohol and ether. Slightly soluble in water. |
Sensitive | Air Sensitive |
Merck | 14,7894 |
BRN | 1448841 |
Specification
ITEMS | SPECIFICATIONS | RESULTS |
Appearance | White, crystalline powder or colorless crystals | Passes |
Identification | Accord With BP2007 | Passes |
Assay | 99.5%~101.0% | 99.97% |
Melting point | 75°C~78°C | 77°C |
Optical rotation | -0.05°~+0.05° | 0.00° |
Heavy metals | ≤ 0.001% | <0.001% |
Related substances | ||
Impurity B | ≤ 0.3% | Passes |
Any other impurity | ≤ 0.3% | Passes |
Total of all impurities apart from impurity B | ≤ 0.7% | Passes |
Impurity F | ≤ 0.1% | Not detected |
Sulphated ash | ≤ 0.1% | 0.02% |
Appearance of solution | Accord With BP2010 | Passes |
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- Since: 2021-12-10
- Address: Qiaoxi District ,Shijiazhuang city, Hebei,Chicna
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