2,5-二叔丁基氢醌

Description

2,5-Di-tert-butylhydroquinone · CAS 88-58-4 · C14H22O2. UNII 26XK13B61B.

Identification

CAS Registry Number	88-58-4
PubChem CID	2374
Molecular formula	C14H22O2
IUPAC name	2,5-ditert-butylbenzene-1,4-diol
UNII (FDA)	26XK13B61B

Computed Descriptors

Molecular Weight	222.32
XLogP3	4.6
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	222.161979940
Monoisotopic Mass	222.161979940
Topological Polar Surface Area	40.5
Heavy Atom Count	16
Formal Charge	0

Physical description & handling notes

• CBI
• Off-white crystalline powder; [Alfa Aesar MSDS]
• 155.1 Ų [M]+ [CCS Type: DT; Buffer gas: N2; Ionization: APCI+; Dataset: TOXCAST; Source Identifier: DTXSID8041248]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Di-t-Butylhydroquinone) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Antioxidant
GHS notification summary	0.7% (2 / 279)

GHS Hazard Classification

GHS notification summary	0.7% (2 / 279)
Reported hazard statements	H301 (46.6%), H302 (51.6%), H315 (43.7%), H317 (66.7%), H319 (43.7%), H335 (85.3%), H373 (38.7%), H400 (47.3%)

Documented Uses

• CIR ingredient: Di-t-Butylhydroquinone
• Ca2+-ATPase antagonist. [ChemIDplus]
• Not Known or Reasonably Ascertainable
• All Other Basic Organic Chemical Manufacturing
• 1,4-Benzenediol, 2,5-bis(1,1-dimethylethyl)-: ACTIVE
• Naturally occurring or synthetic substances that inhibit or retard oxidation reactions. They counteract the damaging effects of oxidation in animal tissues.

Synonyms

2,5-Di-tert-butylhydroquinone; 88-58-4; 2,5-Di-tert-butylbenzene-1,4-diol; DTBHQ; Dibug; Di-t-butylhydroquinone; Dybug; Santovar O; 2,5-Di-tert-butylquinol; Nonflex Alba; Naugard 451; Antage DBH; Nocrac NS 7; 1,4-Benzenediol, 2,5-bis(1,1-dimethylethyl)-; 2,5-Di-tert-butyl-1,4-benzenediol; 2,5-Di-tert-butyl-1,4-hydroquinone

Frequently Asked Questions

What are the CAS number and molecular formula of 2,5-Di-tert-butylhydroquinone?

CAS 88-58-4; molecular formula C14H22O2; molecular weight — g/mol.

What other names is 2,5-Di-tert-butylhydroquinone known by?

2,5-Di-tert-butylhydroquinone, 88-58-4, 2,5-Di-tert-butylbenzene-1,4-diol, DTBHQ, Dibug, Di-t-butylhydroquinone.

What is the regulatory status of 2,5-Di-tert-butylhydroquinone?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Cosmetic ingredients (Di-t-Butylhydroquinone) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Antioxidant.

Is 2,5-Di-tert-butylhydroquinone classified as hazardous?

0.7% of GHS notifications report no hazard classification (2 of 279).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.