tert-Butylhydroquinone
- Product Name
- tert-Butylhydroquinone
- CAS No.
- 1948-33-0
- Chemical Name
- tert-Butylhydroquinone
- Synonyms
- TBHQ;TERTIARY BUTYL HYDROQUINONE;T-BUTYLHYDROQUINONE;MTBHQ;2-tert-butylhydroquinone;MONO-TERT-BUTYLHYDROQUINONE;Butylhydroquinone;TERT-BUTYLHYDROCHINONE;Tert-ButylHydroquinone(Tbhq);Mono-tertiarybutylhydroquinone
- CBNumber
- CB0415105
- Molecular Formula
- C10H14O2
- Formula Weight
- 166.22
- MOL File
- 1948-33-0.mol
tert-Butylhydroquinone Property
- Melting point:
- 127-129 °C(lit.)
- Boiling point:
- 295 °C
- Density
- 295
- vapor pressure
- 0.004Pa at 25℃
- refractive index
- 1.4859 (estimate)
- Flash point:
- 171 °C
- storage temp.
- Store below +30°C.
- solubility
- DMSO (Slightly), Methanol (Slightly)
- pka
- 10.80±0.18(Predicted)
- form
- Crystalline Powder
- color
- White to light tan, may contain black specs
- Water Solubility
- Slightly soluble in water(10g/L).
- BRN
- 637923
- Stability:
- Stable. Incompatible with strong bases, strong oxidizing agents.
- InChIKey
- BGNXCDMCOKJUMV-UHFFFAOYSA-N
- LogP
- 1.521 at 25℃
- CAS DataBase Reference
- 1948-33-0(CAS DataBase Reference)
- NIST Chemistry Reference
- 1,4-Benzenediol, 2-(1,1-dimethylethyl)-(1948-33-0)
- EPA Substance Registry System
- tert-Butylhydroquinone (1948-33-0)
Safety
- Hazard Codes
- Xn
- Risk Statements
- 22-36/37/38
- Safety Statements
- 26-36-28A
- RIDADR
- UN3077
- WGK Germany
- 3
- RTECS
- MX4375000
- Autoignition Temperature
- 855 °F
- TSCA
- Yes
- HazardClass
- 9
- PackingGroup
- III
- HS Code
- 29072900
- Hazardous Substances Data
- 1948-33-0(Hazardous Substances Data)
- Toxicity
- guinea pig,LD50,oral,790mg/kg (790mg/kg),WHO Food Additives Series. Vol. 8, Pg. 26, 1975.
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 8.41424
- Product name
- tert-Butylhydroquinone
- Purity
- for synthesis
- Packaging
- 100g
- Price
- $46.6
- Updated
- 2024/03/01
- Product number
- 112941
- Product name
- tert-Butylhydroquinone
- Purity
- 97%
- Packaging
- 5g
- Price
- $37.8
- Updated
- 2024/03/01
- Product number
- 8.41424
- Product name
- tert-Butylhydroquinone
- Purity
- for synthesis
- Packaging
- 500g
- Price
- $150
- Updated
- 2024/03/01
- Product number
- 07293
- Product name
- tert-Butylhydroquinone
- Purity
- analytical standard
- Packaging
- 100mg
- Price
- $84.1
- Updated
- 2024/03/01
- Product number
- B0833
- Product name
- tert-Butylhydroquinone
- Purity
- >98.0%(GC)
- Packaging
- 25g
- Price
- $21
- Updated
- 2024/03/01
tert-Butylhydroquinone Chemical Properties,Usage,Production
Chemical Properties
White, crystalline solid having a characteristic odour.
tert-Butylhydroquinone (TBHQ) is an antioxidant used to preserve oils, fats and food items. It is found in vegetable oils and animal fats, varnishes, lacquers, resins, oils field additives, and perfumes.In low concentrations it shows cytoprotective qualities while at higher concentrations it exhibits cytotoxic behavior.
TBHQ was used to study the inactivation of barotolerant strains of Listeria monocytogenes and Escherichia coli.Environment friendly electrode materials for supercapacitors were attained by decorating the surface of graphene nanosheets with TBHQ.
Uses
tert-Butylhydroquinone (TBHQ) is an antioxidant that exhibits an excellent stabilizing effect in unsaturated fats and oils. It has good solubility in fats and oils, with a maximum usage level of 0.02% based on the weight of the fat or oil or the fat content of the food product. It shows no discoloration in the presence of iron and produces no discernible flavor or odor. It can be combined with BHA and BHT. It is used in edible fats and vegetable oils to retard rancidity. It is used in potato chips and dry cereal. It is also termed butylhydroquinone and mono-tertiary-butylhydroquinone.
Uses
antioxidant in cosmetic products like lipsticks.
Uses
TBHQ was used to study the inactivation of barotolerant strains of Listeria monocytogenes and Escherichia coli. Environment friendly electrode materials for supercapacitors were attained by decorating the surface of graphene nanosheets with TBHQ. TBHQ is frequently used as a food preservative. Inhibition of oxidative rancidity in frozen cooked fish flakes by tert-butylhydroquinone. Nuclear factor E2-related factor 2-dependent antioxidant response element activation is by tert-butylhydroquinoneoccurring preferentially in Astrocytes conditions.
Definition
ChEBI: A member of the class of hydroquinones in which one of the ring hydrogens of hydroquinone is replaced by a tert-butyl group.
General Description
White to light tan crystalline powder or a fine beige powder. Very slight aromatic odor.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Phenols, such as tert-Butylhydroquinone, do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has Ka = 1.3 x 10^[-10]). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Such heating may initiate polymerization of the organic compound. Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature). The reactions generate heat. Phenols are also nitrated very rapidly, even by dilute nitric acid. Nitrated phenols often explode when heated. Many of them form metal salts that tend toward detonation by rather mild shock. tert-Butylhydroquinone is incompatible with oxidizers.
Fire Hazard
tert-Butylhydroquinone is combustible.
Flammability and Explosibility
Non flammable
Contact allergens
This antioxidant has seldom been reported as a sensitizer, mainly in cosmetics (lipsticks, lip-gloss, hair dyes) or in cutting oils. Simultaneous/cross-reactions have been described to butylhydroxyanisole (BHA) and less frequently to butylhydroxytoluene (BHT), but not to hydroquinone
Purification Methods
Recrystallise the hydroquinone from H2O or MeOH and dry it in a vacuum at 70o. Store it in a dark container. [Stroh et al. Angew Chem 69 699 1957, Beilstein 6 IV 6013.]
tert-Butylhydroquinone Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from tert-Butylhydroquinone manufacturers
- Product
- Tert-Butylhydroquinone 1948-33-0
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20tons
- Release date
- 2024-03-27
- Product
- tert-Butylhydroquinone 1948-33-0
- Price
- US $50.00-1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- g-kg-tons, free sample is available
- Release date
- 2023-12-22
- Product
- tert-Butylhydroquinone 1948-33-0
- Price
- US $9.00/kg
- Min. Order
- 1kg
- Purity
- 99.9%
- Supply Ability
- 20000
- Release date
- 2023-12-20