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4-tert-Butylcatechol

CAS No.
98-29-3
Chemical Name:
4-tert-Butylcatechol
Synonyms
TBC;4-t-Butylcatechol;4-tbc;4-TERT-BUTYLPYROCATECHOL;PTBC;P-TERT-BUTYL CATECHOL;4-TERT-BUTYL-1,2-BENZENEDIOL;T-BUTYL CATECHOL;P-T-BUTYLCATECHOL;p-tert-Butylpyrocatechol
CBNumber:
CB1390571
Molecular Formula:
C10H14O2
Molecular Weight:
166.22
MDL Number:
MFCD00002201
MOL File:
98-29-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-06-30 14:29:53

4-tert-Butylcatechol Properties

Melting point 52-55 °C(lit.)
Boiling point 285 °C(lit.)
Density 1.049
bulk density 650-700kg/m3
vapor pressure <1 hPa (25 °C)
refractive index n20/D 1.508
Flash point >230 °F
storage temp. Store below +30°C.
solubility methanol: soluble1g/10 mL, clear, colorless to slightly yellow
pka 9.92±0.10(Predicted)
form powder to lump
color White to Light yellow to Light red
Odor at 10.00%indipropylene glycol. phenolic
Water Solubility 0.2 g/100 mL (25 ºC)
Sensitive Hygroscopic
BRN 2043335
Exposure limits ACGIH: TWA 5 ppm (Skin)
NIOSH: TWA 5 ppm(20 mg/m3)
InChI 1S/C10H14O2/c1-10(2,3)7-4-5-8(11)9(12)6-7/h4-6,11-12H,1-3H3
InChIKey XESZUVZBAMCAEJ-UHFFFAOYSA-N
SMILES CC(C)(C)c1ccc(O)c(O)c1
LogP 1.98 at 25℃
CAS DataBase Reference 98-29-3(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances 4-TERT-BUTYLCATECHOL
FDA 21 CFR 175.105; 177.2600
EWG's Food Scores 1-4
FDA UNII 9A069144KR
NIST Chemistry Reference 1,2-Benzenediol, 4-(1,1-dimethylethyl)-(98-29-3)
EPA Substance Registry System p-tert-Butylcatechol (98-29-3)
UNSPSC Code 12352104
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)Environment (GHS09)
GHS05,GHS07,GHS09
Signal word  Danger
Hazard statements  H302+H312-H314-H317-H410
Precautionary statements  P260-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338
PPE Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Hazard Codes  C,N,T
Risk Statements  22-34-43-21-51/53-21/22-39/23/24/25-20/21/22-10-50/53
Safety Statements  26-36/37/39-45-61-24-60
RIDADR  UN 2923 8/PG 3
WGK Germany  2
RTECS  UX1400000
Autoignition Temperature 160 °C
TSCA  TSCA listed
HazardClass  8
PackingGroup  III
HS Code  29072900
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Oral
Aquatic Acute 1
Aquatic Chronic 1
Eye Dam. 1
Skin Corr. 1B
Skin Sens. 1
Toxicity LD50 orally in Rabbit: 815 mg/kg LD50 dermal Rat 1331 mg/kg
REACH Registrations Active
Limited Quantities 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
1
2 0

4-tert-Butylcatechol price More Price(66)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.01987 4-tert-Butylpyrocatechol for synthesis 98-29-3 5G $41.6 2026-04-30 Buy
Sigma-Aldrich 8.01987 4-tert-Butylpyrocatechol for synthesis 98-29-3 250g $91.2 2026-04-30 Buy
Sigma-Aldrich 8.01987 4-tert-Butylpyrocatechol for synthesis 98-29-3 1kg $245 2026-04-30 Buy
Sigma-Aldrich 8.01987 4-tert-Butylpyrocatechol for synthesis 98-29-3 25kg $1970 2026-04-30 Buy
Sigma-Aldrich 19670 4-tert-Butylcatechol ≥98.0% (HPLC) 98-29-3 100g $43.1 2026-04-30 Buy
Product number Packaging Price Buy
8.01987 5G $41.6 Buy
8.01987 250g $91.2 Buy
8.01987 1kg $245 Buy
8.01987 25kg $1970 Buy
19670 100g $43.1 Buy

4-tert-Butylcatechol Chemical Properties, Uses, Production

Description

Para-tertiary butyl catechol is specially prepared by reacting the impure catechol fraction with tertiary butyl alcohol. Used for its various properties (inhibition of polymerization and as an antioxidizing agent) in the manufacture of rubber, plastics and paints, in the preparation of petrolatum products, and as an antioxidant in oils, it may induce vitiligo.

Chemical Properties

Colorless crystals. Soluble in methanol, carbon tetrachloride, benzene, ether, ethanol and acetone, slightly soluble in water at 80℃.

Uses

4-tert-butylcatechol (PTBC) is used as an antioxidant in fats, oils, and mineral oils, and as a stabilizer in polyester resins and polystyrene resins. A concentration of PTBC (up to 0.005%) can be found in paints, glues, thermal paper, lubricating oil, and mineral oil products.
4-tert-Butylcatechol is widely utilized as an inhibitor in polymerization of butadiene, styrene, vinyl acetate and other reactive monomers. It plays an important role in the synthesis of tungsten oxide nanoparticles by nonaqueous sol-gel process. It acts as a stabilizer in the manufacturing of polyurethane foam. It is employed as an antioxidant for synthetic rubber, polymers and oil derivatives. It is also utilized as a purification agent for aminoformate catalysts.

Application

Polymerization inhibitor for styrene-butadiene and other olefins.
Inhibitor-remover packings and ready-to-use, disposable prepacked columns offer a quick and convenient means of removing small amounts of inhibitors which are added to reagents or solvents that would otherwise be unstable (e.g., they may polymerize, oxidize or darken) on storage.
The inhibitor removers are useful in applications which require that the stabilizer or inhibitor [i.e., hydroquinone (HQ), hydroquinone monomethyl ether (MEHQ, 4-methoxyphenol) or 4-tert-butylcatechol (TBC)] be removed prior to use.

General Description

4-tert-Butylcatechol,in the presence of O2 catalyzed by tyrosinase, yields 4-tert-butyl-o-benzoquinone. Electrochemical oxidation of 4-tert-Butylcatechol in the presence of 4-hydroxycoumarin as nucleophile has been studied using cyclic voltammetry and controlled-potential coulometry. It undergoes electrochemical trimerization via anodic oxidation and mechanism of trimerization has been studied using cyclic voltammetry and controlled-potential coulometry.

Contact allergens

p-tert-Butyl catechol is specially prepared by reacting the impure catechol fraction with tertiary butyl alcohol. It is used for its various properties (inhibitor of polymerization and antioxidizing agent) in the manufacture of rubber, plastics, and paints, in the preparation of petrolatum products, and as an antioxidant in oils. It may induce vitiligo.

Safety Profile

A poison by intravenous route. Moderately toxic by ingestion and skin absorption. A severe skin and eye irritant. Mutation data reported. Combustible when exposed to heat or flame. To fight fire, use Con, dry chemical, fog, mist. When heated to decomposition it emits acrid and irritating fumes

Purification Methods

Distil 4-tert-Butylcatechol in a vacuum, then recrystallise it from pentane or pet ether (or *C6H6).

Toxics Screening Level

The ITSL for t-butylcatechol has been set at 9 μg/m3 based on annual average time.

Global Suppliers ( 653)
Supplier Tel Email Country ProdList Advantage
JIANGSU B-WIN CHEMICAL INDUSTRY CO.,LTD. 0510-85840252 400-005-1800 843925888@qq.com China 29 58
Nanjing Lanbai Chemical Co., Ltd. 025-85499326 15366059326;13813836665 1911566570@qq.com China 110 57
Baoding Bink New Materials Co., Ltd. 17531153977 allison@yan-xi.com China 315 58
Powerful Chemical (Shanghai) Co., Ltd. 021-62211590 18917958225; pwfchem@163.com China 75 58
Ningbo chemical raw materials co., ltd. 13306607903;13306607903 2501739421@qq.com China 334 58
ZIBO LISHUO CHEMICAL 13853320569 z1184400177@163.com China 911 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84

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View Latest Price from 4-tert-Butylcatechol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-tert-Butylcatechol pictures 2026-06-30 4-tert-Butylcatechol
98-29-3
1KG 99.0% 10000KGS Shaanxi Dideu New Materials Co. Ltd
4-Tert-Butylcatechol pictures 2026-05-28 4-Tert-Butylcatechol
98-29-3
$9.60 1KG 99% 5000kg Hebei Chuanghai Biotechnology Co,.LTD
4-tert-Butylcatechol pictures 2026-03-20 4-tert-Butylcatechol
98-29-3
$10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
4-TERT-BUTYLCATECHOL 4-TERT-BUTYL-1,2-BENZENEDIOL 4-TERT-BUTYL-1,2-DIHYDROXYBENZENE 4-T-BUTYLPYROCATECHOL P-T-BUTYLCATECHOL 4-t-Butyl-1,2-benzenediol 4-tert-Butyl-1 4-tert-Butylcatechin 4-tert-butyl-pyrocatecho 4-tert-Butylpyrokatechin p-t-Butylpyrocatechol p-tert-Butylpyrocatechol Pyrocatechol, 4-tert-butyl- Synox tbc synoxtbc 4-TERT.-BUTYLPYROCATECHOL WITH MAX. 15 % WATER, LIQUID 4-TERT.-BUTYLPYROCATECHOL WITH MAX. 15 % METHANOL, LIQUID 4-TERT-BUTYLCATECHOL SOLUTION & 4-TERT-BUTYLCATECHOL SOLUTION,>85% IN WA TER 4-TERT.-BUTYLPYROCATECHOL TECHNICAL (CRY STALLINE SOLID) Tris(2,3-Dibromopropyl-1)Isocyanurate 4-tert-Butylcatechol,98% 1,2-Benzenediol, 4-(1,1-dimethylethyl-) 1,2-benzenediol 1,2-Benzenediol,4-(1,1-dimethylethyl)- 1,2-Dihydroxy-4-tert-butylbenzene 2-Benzenediol,4-(1,1-dimethylethyl)-1 2-dihydroxybenene 4-(1,1-dimethylethyl)-2-benzenediol 4-tert-BUTYLCAtech gradeOL p-Tert-Butyl 4-TERT-BUTYLCATECHOL 99% P-TERT-BUTYL CATECHOL 85% IN METHANOL P-TERT-BUTYL CATECHOL 85% IN WATER p-tert-BUTYL CATECHOL pure TBC,4-Tert-Butylpy-Rocatechol PARA-TERTBUTYLCATECHOL PARA-TERT-BUTYLPYROCATECHOL JACS-98-29-3 5-tert-Butylcatechol 4-tert-Butylcatechol,99% 4-TERT-BUTYLPYROCATECHOL FOR SYNTHESIS 4-tert-Butylcatechol >=98.0% (HPLC) 4-tert-Butylcatechol >=99.0% 4-tert-Butylca 4-Tert-butyl-1、2-dihydroxybenene 4-tert-Butylpyrocatechol, extra pure Para-Tert-Butylcatechol (TBC) 4-tert-Butylcatechol(TBC) 4-tert-Butylcatechol, 99% 100GR 4-tert-Butylcatechol p-t-Butylcatechol 〔4-t-Butylpyrocatechol〕 4-tert-Butylpyrocatechol(TBC) p-t-Butyl catechol 1,2-Dihydroxy-4-t-butylbenzene butanedioic acid bis(prop-2-enyl) ester 4-tert-Butylpyrocatechol > 4-(1,1-Dimethylethyl)-1,2-benzoldiol solid and methanol solution) 4-tert-BUTYL CATECHOL Extra Pure