1,2,4-Trihydroxybenzene 533-73-3

Leaf-like crystals are obtained from diethyl ether. Melting point: 140.5°C. Soluble in water, ethanol, diethyl ether, and ethyl acetate; practically insoluble in chloroform, carbon disulfide, and benzene.

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Model:
533-73-3
Brand:
Boss Chemical
Code:
533-73-3

Product Description

1,2,4-Benzenetriol Basic information
Product Name:	1,2,4-Benzenetriol
CAS:	533-73-3
MF:	C6H6O3
MW:	126.11
EINECS:	208-575-1
Mol File:	533-73-3.mol
1,2,4-Benzenetriol Chemical Properties
Melting point	140 °C (subl.) (lit.)
Boiling point	194.21°C (rough estimate)
density	1.45 g/cm3 (20℃)
refractive index	1.5627 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	DMSO (Sparingly), Methanol (Slightly)
form	Solid
pka	9.58±0.10(Predicted)
color	Plates from Et2O
Water Solubility	freely soluble
Sensitive	Air Sensitive
Merck	141,073
BRN	2042863
Stability:	Light Sensitive, Moisture Sensitive
Cosmetics Ingredients Functions	HAIR DYEING
Cosmetic Ingredient Review (CIR)	1,2,4-Benzenetriol (533-73-3)
InChI	1S/C6H6O3/c7-4-1-2-5(8)6(9)3-4/h1-3,7-9H
InChIKey	GGNQRNBDZQJCCN-UHFFFAOYSA-N
SMILES	Oc1ccc(O)c(O)c1
CAS DataBase Reference	533-73-3(CAS DataBase Reference)
NIST Chemistry Reference	1,2,4-Benzenetriol(533-73-3)
EPA Substance Registry System	1,2,4-Benzenetriol (533-73-3)

1 2 4 -Trihydroxybenzene C6H6O3 antioxidant Gas analysis absorbent 533-73-3

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.