Product Identification

Product Name

2,2-Propdiyl-bis(4-thio-2,6-di-tert-butylphenol)

Synonyms

4,4'-(Isopropylidenedithio)bis(2,6-tert-butylphenol)
4,4'-(Isopropylidenedithio)bis[2,6-di-tert-butylphenol]
Acetone, bis(3,5-di-tert-butyl-4-hydroxyphenyl) mercaptole
Biphenabid
Bisbid
Bisphenabid

CAS

23288-49-5

Formula

C31H48O2S2

Molecular Weight

516.85

EINECS

245-560-9

RTECS

AL3705000

RTECS Class

Drug; Human Data

Merck

12,7935

Beilstein/Gmelin

2026253

Beilstein Reference

6-06

Physical and Chemical Properties

Solubility in water

Insoluble

Melting Point

117 118

Boiling Point

547

Vapor Pressure

1E-12 (25 C)

Density

1.11 g/cm3

pKa/pKb

10.24 (pKa)

Partition Coefficient

10.75

Heat Of Vaporization

85.7 kJ/mol

Usage

Used to lower levels of cholesterol in the blood.

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If breathing becomes difficult, call a physician.

Skin

In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.

Eyes

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place.

Hazards Identification

Inhalation

Material may be irritating to mucous membranes and upper respiratory tract.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Hazards

Emits toxic fumes under fire conditions.

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Avoid contact and inhalation. Target organ(s): Heart.

Fire Fighting Measures

Flash Point

265

Fire Fighting

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Decomposition

Carbon monoxide, Carbon dioxide, Sulfur oxides.