Molekula tert-Butylhydroquinone
Specification & product details.
tert-Butylhydroquinone (TBHQ) is a synthetic antioxidant widely used in food, cosmetics, and industrial applications to prevent oxidation and extend shelf life.
CAS number: 1948-33-0
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Specifications
| Property | Value |
| Appearance | White to off-white crystalline powder |
| Melting Point | 126.5°C to 128.5°C |
| Ash | 0.2%max |
| Loss on Drying | 0.5% max |
| Storage Temperature | +20 ° C |
| Heavy Metals (Pb) | 0.001% max |
| Toluene | 0.0025% max |
| Arsenic (As) | 0.0003% max |
| Hydroquinone | 0.5%max |
| tert-Butylhydroquinone | 99%min. |
| Assay (C10H14O2) | 99% min |
| T-butyl-Benzoquinone | 0.2% max |
| 2,5-Di-t-butyl-hydroquinone | 0.2% max |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | White to light tan crystalline powder or a fine beige powder |
| Odour | Very slight odor |
| Melting Point | 126.5-128.5 °C |
| Boiling Point | 295 °C |
| Solubility (other solvents) | Soluble in acetone, alcohol, ethyl acetate |
| pKa | pKa = 10.7 |
Identification
| Property | Value |
| SKU | 13260094 |
| CAS Number | 1948-33-0 |
| IUPAC Name | 2-tert-butylbenzene-1,4-diol |
| EC Number | 217-752-2 |
| Molecular Formula | (CH3)3CC6H3(OH)2 |
| Molecular Weight | 166.22 |
| Exact Mass | 166.0994 |
| SMILES | OC1=CC=C(O)C(=C1)C(C)(C)C |
| InChIKey | BGNXCDMCOKJUMV-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3 |
| PubChem CID | 16043 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29072925 |
| Tariff Code | 2907290090 |
Safety & GHS
Warning
- Health HazardGHS07
- Hazardous to the EnvironmentGHS09
Hazard statements
- H302+312Harmful if swallowed or in contact with skin
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261Avoid breathing dust/fume/gas/mist/vapours/spray
- P273Avoid release to the environment
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P301+312IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313IF skin irritation or a rash occurs: Get medical advice/attention
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Alternative names
2-t-Butylhydroquinone; 2-tert-Butyl-1,4-benzenediol; 2-tert-Butylhydroquinone; Mono-tert-butylhydroquinone; Mono-tertiarybutylhydroquinone; MTBHQ; Sustane; T-BUTYLHYDROQUINONE; TBHQ; Tenox TBHQ
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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