Protocatechuic acid CAS NO.99-50-3 Intermediates Analytical Reagents Carbohydroquinonic acid
4 Inquiries
99-50-3
Industrial Grade
99%
CHINA
REFORM
25kg
2025-12-31
Flavors & Fragrances,Catalyst & Auxiliary,Intermediates,Dyes & Pigments,Inorganic Chemistry,petro chemicals
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceProtocatechuic acid is a phenolic compound which exhibits neuroprotective effect.
Solid
3,4-dihydroxybenzoic acid is a dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. It has a role as a human xenobiotic metabolite, a plant metabolite, an antineoplastic agent, an EC 1.1.1.25 (shikimate dehydrogenase) inhibitor and an EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor. It is a member of catechols and a dihydroxybenzoic acid. It derives from a benzoic acid. It is a conjugate acid of a 3,4-dihydroxybenzoate.Basic Info-
Product Name:
Protocatechuic acid
Other Name:Benzoic acid,3,4-dihydroxy-;Protocatechuic acid;3,4-Dihydroxybenzoic acid;4-Carboxy-1,2-dihydroxybenzene;4,5-Dihydroxybenzoic acid;NSC 16631;1,2-Dihydroxybenzene-4-carboxylic acid;Protocatechoic acid
CAS No.:99-50-3
Molecular Formula:C7H6O4
InChIKeys:InChIKey=YQUVCSBJEUQKSH-UHFFFAOYSA-N
Molecular Weight:154.12
Exact Mass:154.12
BRN:1448841
EC Number:202-760-0
UNII:36R5QJ8L4B
NSC Number:16631
DSSTox ID:DTXSID4021212
HScode:29182990
Categories:
Characteristics-
PSA:
77.8
XLogP3:1.1
Appearance:Beige to brown Fine Crystalline Powder
Density:1.6±0.1 g/cm3
Melting Point:221 °C (decomp)
Boiling Point:237.46°C (rough estimate)
Flash Point:216.3±22.4 °C
Refractive Index:1.671
Water Solubility:soluble in hot alcohol and ether. Slightly soluble in water.
Storage Conditions:Store below +30°C.
PKA:4.26(at 25 °C)
Dissociation Constants:4.26 (at 25 °C)
Collision Cross Section:122.3 Ų [M+H-H2O]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|122.9 Ų [M-H]-
Hazard IdentificationClassification of the substance or mixture
Skin irritation, Category 2
Eye irritation, Category 2
Specific target organ toxicity â single exposure, Category 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
Response P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P319 Get medical help if you feel unwell.
Storage P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Flavors & Fragrances,Catalyst & Auxiliary,Intermediates,Dyes & Pigments,Inorganic Chemistry,petro chemicals
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Location:
17th Yuanlin Road ,Chongchuan area ,Nantong city ,Jiangsu province ,China
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Payment Terms:
L/C,100% TT in advance
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Average lead Time:
2 days
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Total Annual Revenue:
Above $100 million
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Total Employees:
201-300
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Year of Establishment:
2008
Company Certificates-
![NANTONG REFORM PETRO-CHEMICAL CO.,LTDGB/T19001-2016 / Iso9001:2015]( "GB/T19001-2016 / Iso9001:2015")
GB/T19001-2016 / Iso9001:2015
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Inquiry History4 Inquiries
Country Product Purchase Quantity Date Posted 
United States
Protocatechuic Acid
1 KG Nov 27, 2024
United States
3,4-Dihydroxy Benzoic Acid
10 KG Sep 27, 2024
United States
Protocatechuic acid 99%
120 G Mar 4, 2024
United States
Protocatechuic Acid
5 MT Sep 4, 2024 Post an enquiry for this product
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