2-butan-2-yl-4-tert-butylphenol

C14H22O

CAS51390-14-8
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

Consulting for 2-butan-2-yl-4-tert-butylphenol

Our experts support you with application, dosage, and compliance.

Request Consultation

Identification

CAS Number
51390-14-8
EC Number
421-740-4
UN Number
3145
Index Number
604-069-00-3
PubChem CID
526207

Physical-chemical properties

Molecular Formula
C14H22O
Molar Mass
206.32 g/mol
IUPAC Name
2-butan-2-yl-4-tert-butylphenol

Chemical Identifiers

InChI
InChI=1S/C14H22O/c1-6-10(2)12-9-11(14(3,4)5)7-8-13(12)15/h7-10,15H,6H2,1-5H3
InChI Key
JKFZLMPBXBMSPD-UHFFFAOYSA-N

Overview

2-butan-2-yl-4-tert-butylphenol (CAS 51390-14-8) is a substituted phenolic compound with dual alkyl substituents and significant industrial chemical properties. This specialized phenolic derivative represents an important class of industrial chemicals characterized by its unique molecular structure featuring both secondary and tertiary butyl groups attached to a phenol ring. With the molecular formula C14H22O and a molecular weight of 206.32 g/mol, this compound exhibits distinctive chemical and physical properties that make it valuable in various technical applications. The compound's safety profile requires careful handling due to its classification as Skin Corr. 1B and Aquatic Chronic 2, indicating both corrosive properties to skin and potential long-term aquatic environmental hazards. The associated GHS pictograms GHS05 and GHS09 reflect these corrosive and environmental concerns, while its ADR Class 8 classification confirms its corrosive nature for transportation purposes. These safety characteristics distinguish it from related compounds such as 1-octylpyrrolidin-2-one, which has different hazard profiles despite sharing certain industrial applications. The dual alkyl substitution pattern of 2-butan-2-yl-4-tert-butylphenol provides enhanced stability and specific reactivity patterns that are particularly valuable in polymer stabilization applications, specialty chemical synthesis, and as an intermediate in the production of advanced materials. Its phenolic structure also makes it suitable for use in antioxidant formulations and as a building block for more complex chemical entities. Industrial applications typically include polymer additive manufacturing, specialty resin production, and chemical intermediate synthesis where its unique substitution pattern provides specific performance characteristics. OYSI maintains reliable supply chains for 2-butan-2-yl-4-tert-butylphenol to serve diverse European industrial requirements.

Safety & Classification

Danger
Classification:

Skin Corr. 1B; Aquatic Chronic 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H314

Causes severe skin burns and eye damage.

H411

Toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3145
ADR Class8
Packing GroupII
Tunnel CodeE
Proper Shipping Name2-(1-Methylpropyl)-4-tert-butylphenol
Marine PollutantNo

Frequently Asked Questions

What is 2-butan-2-yl-4-tert-butylphenol?

2-butan-2-yl-4-tert-butylphenol is an organic chemical compound with the molecular formula C14H22O and CAS number 51390-14-8. This phenolic compound has a molecular weight of 206.32 g/mol and features two bulky alkyl substituents on the benzene ring. It is classified as a corrosive substance with potential environmental hazards, requiring careful handling and appropriate safety measures during use.

What are the physicochemical properties of 2-butan-2-yl-4-tert-butylphenol?

2-butan-2-yl-4-tert-butylphenol is a phenolic compound with molecular formula C14H22O and molecular weight 206.32 g/mol. As a substituted phenol with bulky alkyl groups, it typically appears as a solid or viscous liquid at room temperature. The presence of the hydroxyl group provides some polar character, while the large alkyl substituents contribute to its lipophilic nature, affecting its solubility in various solvents.

What is 2-butan-2-yl-4-tert-butylphenol used for?

2-butan-2-yl-4-tert-butylphenol is primarily used as an antioxidant and stabilizer in various industrial applications. Its phenolic structure makes it effective at preventing oxidative degradation in polymers, lubricants, and other organic materials. It may also serve as an intermediate in the synthesis of other chemical compounds or as a component in specialty formulations where antioxidant properties are required.

How to handle 2-butan-2-yl-4-tert-butylphenol safely?

2-butan-2-yl-4-tert-butylphenol must be handled with extreme caution due to its corrosive properties (Skin Corr. 1B). Essential protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to avoid inhalation. Prevent skin and eye contact at all costs, as this substance can cause severe burns and irreversible damage to tissues.

How to store 2-butan-2-yl-4-tert-butylphenol correctly?

2-butan-2-yl-4-tert-butylphenol should be stored in tightly sealed, corrosion-resistant containers in a cool, dry, and well-ventilated area. Keep away from heat sources, direct sunlight, and incompatible materials. Due to its corrosive nature, use appropriate secondary containment and ensure storage areas are equipped with emergency eyewash and shower facilities. Regular inspection of containers for signs of corrosion or leakage is essential.

What to do in case of contact with 2-butan-2-yl-4-tert-butylphenol?

Immediate action is critical due to the severe corrosive nature of 2-butan-2-yl-4-tert-butylphenol. For skin contact, immediately flush with copious amounts of water for at least 15 minutes while removing contaminated clothing. For eye contact, rinse immediately with water for at least 15 minutes. Seek immediate medical attention for any exposure. If inhaled, move to fresh air and get medical help. Do not induce vomiting if ingested.

How to dispose of 2-butan-2-yl-4-tert-butylphenol appropriately?

2-butan-2-yl-4-tert-butylphenol must be disposed of as hazardous waste through licensed waste management companies. Due to its corrosive properties and environmental hazard classification (Aquatic Chronic 2), it cannot be discharged into sewers or the environment. Consult local environmental regulations and waste disposal authorities for specific requirements. Incineration at authorized high-temperature facilities is typically the preferred disposal method for this type of chemical.

How to transport 2-butan-2-yl-4-tert-butylphenol?

2-butan-2-yl-4-tert-butylphenol is classified as ADR Class 8 (Corrosive substances), Packing Group II, indicating medium danger level. Transportation requires appropriate corrosive-resistant packaging, proper labeling with GHS05 and GHS09 pictograms, and compliance with dangerous goods regulations. Vehicles must carry appropriate emergency equipment and documentation. Only trained personnel should handle transportation, and emergency response procedures must be readily available during transit.

Is 2-butan-2-yl-4-tert-butylphenol subject to specific regulations?

2-butan-2-yl-4-tert-butylphenol is subject to REACH regulation requiring registration for manufacturing or import above one tonne per year. It falls under CLP regulation with mandatory hazard classification (Skin Corr. 1B, Aquatic Chronic 2) and labeling requirements. While not currently listed as SVHC, its corrosive and environmental properties mean it may be subject to additional national restrictions or workplace exposure limits in various European countries.

Where to buy 2-butan-2-yl-4-tert-butylphenol in Europe?

2-butan-2-yl-4-tert-butylphenol is available through OYSI, a specialized European distributor of technical chemicals. As an established chemical distributor, OYSI can provide this corrosive substance with proper documentation, safety data sheets, and regulatory compliance support. Given the hazardous nature of this compound, purchasing from experienced distributors like OYSI ensures proper handling, packaging, and transportation according to European chemical regulations.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.