CAS 99-50-3 99% Purity Protocatechuic Acid for Dyestuff Intermediate 3, 4-Dihydroxybenzoic Acid

• CAS No.: 99-50-3
• Formula: C7h6o4
• EINECS: 202-760-0
• Environmental Protection: Yes
• Certification: REACH
• Color: White
• Model NO.: a fyh 99-50-3
• Classification: Chinese Herbal Ingredients
• Function: Antibacterial and Antioxidant
• Appearance: White Powder, Powder
• MW: 154.12
• Purity: 99%
• Storage: Yes
• Sample: Support
• Transport Package: Bag
• Specification: 25kg
• Trademark: Future Chemical
• Origin: China
• Production Capacity: 1000ton

Product Description

 

Product Description

CAS 99-50-3 99% purity Protocatechuic acid for dyestuff intermediate

    

Protocatechuic acid Basic information
Product Name:	Protocatechuic acid
CAS:	99-50-3
MF:	C7H6O4
MW:	154.12
EINECS:	202-760-0
Mol File:	99-50-3.mol
Protocatechuic acid Chemical Properties
Melting point	197-200 °C (dec.) (lit.)
Boiling point	237.46°C (rough estimate)
density	1.54
FEMA	4430 | 3,4-DIHYDROXYBENZOIC ACID
refractive index	1.6400 (estimate)
storage temp.	Store below +30°C.
solubility	20g/l
pka	4.48(at 25ºC)
form	Fine Crystalline Powder
color	Beige to brown
Water Solubility	Soluble in hot alcohol and ether. Slightly soluble in water.
Sensitive	Air Sensitive
Merck	147,894
BRN	1448841
Stability:	Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey	YQUVCSBJEUQKSH-UHFFFAOYSA-N
CAS DataBase Reference	99-50-3(CAS DataBase Reference)
EPA Substance Registry System	Protocatechuic acid (99-50-3)

 

ITEM	STANDARD	TEST RESULT
Specification/Assay	≥98.0%	99.15%
Physical & Chemical
Appearance	White powder	Complies
Odor & Taste	Characteristic	Complies
Particle Size	≥95% pass 80 mesh	Complies
Loss on Drying	≤5.0%	2.55%
Ash	≤5.0%	3.54%
Heavy Metal
Total Heavy Metal	≤10.0ppm	Complies
Lead	≤2.0ppm	Complies
Arsenic	≤1.0ppm	Complies
Mercury	≤0.1ppm	Complies
Cadmium	≤1.0ppm	Complies

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