ChemicalBook > CAS DataBase List > 4-tert-Butylcatechol

4-tert-Butylcatechol

Product Name
4-tert-Butylcatechol
CAS No.
98-29-3
Chemical Name
4-tert-Butylcatechol
Synonyms
TBC;4-tbc;4-TERT-BUTYL-1,2-BENZENEDIOL;PTBC;4-t-Butylcatechol;P-TERT-BUTYL CATECHOL;4-TERT-BUTYLPYROCATECHOL;T-BUTYL CATECHOL;P-T-BUTYLCATECHOL;p-tert-Butylpyrocatechol
CBNumber
CB1390571
Molecular Formula
C10H14O2
Formula Weight
166.22
MOL File
98-29-3.mol
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4-tert-Butylcatechol Property

Melting point:
52-55 °C(lit.)
Boiling point:
285 °C(lit.)
Density 
1.049
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?%?in?dipropylene 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)
InChIKey
XESZUVZBAMCAEJ-UHFFFAOYSA-N
LogP
1.98 at 25℃
CAS DataBase Reference
98-29-3(CAS DataBase Reference)
NIST Chemistry Reference
1,2-Benzenediol, 4-(1,1-dimethylethyl)-(98-29-3)
EPA Substance Registry System
p-tert-Butylcatechol (98-29-3)
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Safety

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 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29072900
Toxicity
LD50 orally in Rabbit: 815 mg/kg LD50 dermal Rat 1331 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

H317May cause an allergic skin reaction

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.01987
Product name
4-tert-Butylpyrocatechol
Purity
for synthesis
Packaging
5G
Price
$38
Updated
2024/03/01
Sigma-Aldrich
Product number
8.01987
Product name
4-tert-Butylpyrocatechol
Purity
for synthesis
Packaging
250g
Price
$83.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.01987
Product name
4-tert-Butylpyrocatechol
Purity
for synthesis
Packaging
1kg
Price
$224
Updated
2024/03/01
Sigma-Aldrich
Product number
8.01987
Product name
4-tert-Butylpyrocatechol
Purity
for synthesis
Packaging
25kg
Price
$1800
Updated
2024/03/01
Sigma-Aldrich
Product number
19670
Product name
4-tert-Butylcatechol
Purity
≥98.0% (HPLC)
Packaging
100g
Price
$39.3
Updated
2024/03/01
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4-tert-Butylcatechol Chemical Properties,Usage,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

white to cream flakes

Uses

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.

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.

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.

Hazard

Toxic by ingestion and skin absorption.

Flammability and Explosibility

Not classified

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 it in a vacuum, then recrystallise it from pentane or pet ether (or *C6H6). [Beilstein

4-tert-Butylcatechol Preparation Products And Raw materials

Raw materials

Isobutylene tert-Butanol Catechol

Preparation Products

N-Isopropylacrylamide 4-Vinylphenol 5-Ethyl-2-pyridineethanol 4-CYANOSTYRENE 4-Vinylpyridine 3-Chlorostyrene
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View Lastest Price from 4-tert-Butylcatechol manufacturers

HebeiShuoshengImportandExportco.,Ltd
Product
4-tert-Butylcatechol 98-29-3
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-09
Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
4-Tert-Butylcatechol 98-29-3
Price
US $120.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10ton
Release date
2024-05-21
Hebei Longbang Technology Co., Ltd
Product
4-tert-Butylcatechol 98-29-3
Price
US $6.00/kg
Min. Order
1kg
Purity
More than 99%
Supply Ability
2000KG/Month
Release date
2024-05-10

98-29-3, 4-tert-ButylcatecholRelated Search:

4-tert-Butylphenol Catechol Methyl 4-tert-butylbenzoate tert-Butylhydroquinone DI-TERT-BUTYL ETHER tert-Butylcatechol 2,6-Dichlorostyrene, 96%, stab. with 0.1% 4-tert-butylcatechol Styrene, 99%, stab. with 10-15ppm 4-tert-butylcatechol Dicyclopentadiene,typically95%,stab.with150-250ppmp-tert-Butylcatechol,Dicyclopentadiene, 90+%, stab. with 4-tert-butylcatechol 2-Bromostyrene, 97%, stab. with tert-butylcatechol,2-Bromostyrene, stabilised with tert-butylcatechol, 98%,2-BROMOSTYRENE , STABILIZED WITH TERT-BUTYLCATECHOL 4-Methoxystyrene, 98%, stab. with 0.1% 4-tert-butylcatechol Isoprene,inhibitedwith100ppmp-tert-butylcatechol,99% 4-Cyanostyrene,99%,stab.with0.05%4-tert-butylcatechol Aluminum oxide 3-FLUOROSTYRENE , STABILIZED WITH 0.1% 4-TERT-BUTYLCATECHOL 3-Nitrostyrene, 96%, stab. with 3,5-di-tert-butylcatechol,3-NITROSTYRENE , STABILIZED WITH 3,5-DI-TERT-BUTYLCATECHOL 2,5-DIMETHYLSTYRENE , STABILIZED WITH 4-TERT-BUTYLCATECHOL 2,4-Dimethylstyrene, 97%, stab. with 4-tert-butylcatechol

  • 4-TERT-BUTYLCATECHOL
  • 4-TERT-BUTYL-1,2-BENZENEDIOL
  • 4-TERT-BUTYL-1,2-DIHYDROXYBENZENE
  • 4-T-BUTYLPYROCATECHOL
  • 4-TERT-BUTYLPYROCATECHOL
  • 4-(1,1-DIMETHYLETHYL)-1,2-BENZENEDIOL
  • T-BUTYL CATECHOL
  • TBC
  • P-TERT-BUTYL CATECHOL
  • PTBC
  • P-T-BUTYLCATECHOL
  • 4-tbc
  • 4-t-Butyl-1,2-benzenediol
  • 4-t-Butylcatechol
  • 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
  • PARA-TERTIARY-BUTYLCATECHOL
  • 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