Pyrogallol
3 Inquiries
87-66-1
2026-08-13
Coenzymes,Inhibito,Enzymes,Zymogens,Substrates,Native Microorganism Creatine Amidinohydrolase
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Product Description
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Seller Information
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Inquiry History
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Description
ProductName Pyrogallol Cat No CSUB-0409 Enzyme Commission Number 201-762-9 CAS No 87-66-1 Molecular Weight 126.11 Synonyms 1, 2, 3-Trihydroxybenzene MDL Number MFCD00002192 PubChem Substance ID 24898098.0 Vapor pressure 10 mmHg ( 167.7 °C) mp 133-134 °C(lit.) Beilstein Registry Number 907431.0 Substrates Peroxidase Substrates Vapor Density 4.4 (vs air) bp 309 °C(lit.) category Phenols(c2317) cas_num 87-66-1 Basic Info-
Product Name:
Pyrogallol
Other Name:1,2,3-Benzenetriol;Pyrogallol;C.I. 76515;C.I. Oxidation Base 32;Fouramine Brown AP;Fourrine 85;Fourrine PG;Pyrogallic acid;1,2,3-Trihydroxybenzene;2,3-Dihydroxyphenol;NSC 5035;Benzene-1,2,3-triol;Pyrogallol acid;2,6-Dihydroxyphenol;Antioxidant PY;Gallol;1,2,3-Hydroxybenzene;1,2,3-Pyrogallol
CAS No.:87-66-1
Molecular Formula:C6H6O3
InChIKeys:InChIKey=WQGWDDDVZFFDIG-UHFFFAOYSA-N
Molecular Weight:126.11000
Exact Mass:126.11
EC Number:201-762-9
UNII:01Y4A2QXY0
ICSC Number:0770
NSC Number:5035
UN Number:2811
DSSTox ID:DTXSID6025983
Color/Form:White, lustrous crystals or plates|White crystals, becomes grayish on exposure to light and air|Leaflets or needles
HScode:2907299090
Categories:
Characteristics-
PSA:
60.69000
XLogP3:0.5
Appearance:Pyrogallic acid is an odorless white to gray solid. Sinks and mixes with water. (USCG, 1999)
Density:1.453 g/cm3 @ Temp: 4 °C
Melting Point:133 °C
Boiling Point:309 °C
Flash Point:164.4ºC
Refractive Index:n20/D 1.387
Water Solubility:H2O: 400 g/L (25 ºC)
Storage Conditions:IN GENERAL, MATERIALS WHICH ARE TOXIC AS STORED OR WHICH CAN DECOMP INTO TOXIC COMPONENTS SHOULD BE STORED IN A COOL, WELL-VENTILATED PLACE, BUT OUT OF DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, & SHOULD BE PERIODICALLY INSPECTED INCOMPATIBLE MATERIALS SHOULD BE ISOLATED
Vapor Pressure:10 mm Hg ( 167.7 °C)
Vapor Density:4.4 (vs air)
Toxicity:LD50 orally in rabbits: 1.6 g/kg (Dollahite)
Explosive limit:Finely dispersed particles form explosive mixtures in air.
Odor:Odorless
Henrys Law Constant:Henry's law constant = 1.57X10-10 atm-cu m/mol at 25 °C (est)
Dissociation Constants:pKa = 9.01
Experimental Properties:Conversion factors: 1 mg/L is equivalent to 194 ppm; 1 ppm is equivalent to 0.00515 mg/L at 25 °C and 760 mm Hg|Sublimes slowly when heated; the aqueous solution darkens on exposure to air, quite rapidly when alkaline
Air and Water Reactions:Turns gray on exposure to light or air. Water soluble.
Reactive Group:Acids, Weak
Reactivity Alerts:Strong Reducing Agent
Reactivity Profile:PYROGALLIC ACID is a strong reducing agent. Reacts with alkalis, NH3, antipyrine, camphor, phenol, iron and lead salts, iodine, lime water, menthol and KMnO4. (NTP, 1992)
Heat of Combustion:2.673 MJ/mol (638.9 kcal/mol)
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
Acute toxicity - Category 4, Dermal
Acute toxicity - Category 4, Inhalation
Germ cell mutagenicity, Category 2
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
H312 Harmful in contact with skin
H332 Harmful if inhaled
H341 Suspected of causing genetic defects
H412 Harmful to aquatic life with long lasting effects
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
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.
P203 Obtain, read and follow all safety instructions before use.
P273 Avoid release to the environment.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P317 Get medical help.
P321 Specific treatment (see ... on this label).
P362+P364 Take off contaminated clothing and wash it before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P318 IF exposed or concerned, get medical advice.
Storage 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
NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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
Separated from strong oxidants and strong bases./Store/ separated from strong oxidants, strong bases.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Coenzymes,Inhibito,Enzymes,Zymogens,Substrates,Native Microorganism Creatine Amidinohydrolase
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Location:
Shirley, New York 11967, USA
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Payment Terms:
TT against copy of documents,D/P
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Average lead Time:
15
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Total Annual Revenue:
$1 million-$2.5 million
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Year of Establishment:
2004
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Inquiry History3 Inquiries
Country Product Purchase Quantity Date Posted 
India
Pyrogallic Acid
475 KG Jul 21, 2025 
Malaysia
1,2,3-Benzenetriol (Pyrogallol) CIF Price Malaysia - 50Kg needed
50 KG Jul 1, 2024
Malaysia
1,2,3-Benzenetriol
50 KG Jul 1, 2024 Post an enquiry for this product
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