Molekula
2,5-Di-tert-butylhydroquinone
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,5-Di-tert-butylhydroquinone (DBHQ) is a synthetic antioxidant widely used in plastics, rubber, and petroleum products to prevent oxidation and degradation. It stabilizes materials by inhibiting free radical formation, extending shelf life and performance. Laboratories also use it as a research tool for inhibiting Ca2+-ATPase calcium pumps, and it is listed as an ingredient in cosmetic formulations. This white crystalline powder has a CAS number of 88-58-4, molecular formula C14H22O2, and a molecular weight of 222.32 g/mol. Store at ambient conditions. The product carries a signal word of "Danger" for safety classification. Molekula supplies 2,5-Di-tert-butylhydroquinone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
25 g — £22.70 per pack ex VAT · £27.24 inc. VAT
-
100 g — £83.70 per pack ex VAT · £100.44 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | white or off-white to light tan crystalline powder |
| Melting Point | 212 - 218 ℃ |
| Ash | ≤ 0.1% |
| Heavy metals | ≤ 5mg/kg |
| Loss on Drying | ≤ 0.3% |
| Purity | ≥ 99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 76997126 |
| CAS Number | 88-58-4 |
| IUPAC Name | 2,5-ditert-butylbenzene-1,4-diol |
| EC Number | 201-841-8 |
| Molecular Formula | C14H22O2 |
| Molecular Weight | 222.32 |
| Exact Mass | 222.162 |
| SMILES | CC(C)(C)C1=CC(=C(C=C1O)C(C)(C)C)O |
| InChIKey | JZODKRWQWUWGCD-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H22O2/c1-13(2,3)9-7-12(16)10(8-11(9)15)14(4,5)6/h7-8,15-16H,1-6H3 |
| PubChem CID | 2374 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2907.29.9000 |
| Tariff Code | 2907290090 |
Safety & GHS
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H335 May cause respiratory irritation
- H373 May cause damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,5-Di-tert-butylbenzene-1,4-diol
- 2,5-Di-tert-butylquinol
- Antage DBH
- Di-t-butylhydroquinone
- Dibug
- DTBHQ
- Dybug
- Naugard 451
- Nonflex Alba
- Santovar O
Frequently asked questions
What is 2,5-Di-tert-butylhydroquinone (DTBHQ) commonly used for?
DTBHQ is primarily used as an antioxidant in polymers, fuels, lubricants, and cosmetics to prevent oxidation and degradation.
What is the chemical formula and molecular weight of DTBHQ?
The chemical formula is C14H22O2, and the molecular weight is 222.32 g/mol.
How should DTBHQ be stored?
Store DTBHQ at ambient temperature in a cool, dry place, away from direct sunlight and incompatible materials.
What grades or purity levels of DTBHQ does Molekula supply?
Molekula supplies technical-grade and high-purity (98%+) DTBHQ depending on application requirements.
Can Molekula supply DTBHQ in bulk quantities?
Yes, Molekula can provide DTBHQ in bulk, with flexible packaging options including drums, bags, or custom containers.
What documentation is provided with a DTBHQ order?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.