Product Identification

Product Name

Bromophenol Blue

Synonyms

3',3'',5',5''-Tetrabromophenolsulfoththalein
Albutest
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-
Tetrabromophenolsulfophthalein

CAS

115-39-9

Formula

C19H10Br4O5S

Molecular Weight

669.96

EINECS

204-086-2

RTECS

SJ7453000

RTECS Class

Mutagen

Merck

13,1429

Beilstein/Gmelin

61698

Beilstein Reference

5-19-03-00458

Physical and Chemical Properties

Appearance

Tan to orange, light pink to purple or red crystals or powder, odorless.

Solubility in water

Slightly soluble

Melting Point

273

Density

1 g/cm3

pKa/pKb

3.85(at 25℃) (pKa)

Usage

Used as a acid base indicator.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid. Wash clothing before reuse. Flush skin with plenty of soap and water.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage

Store in a cool, dry place. Keep containers tightly closed.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Keep container tightly closed.

Hazards Identification

Inhalation

May cause respiratory tract irritation. Low hazard for usual industrial handling.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Low hazard for usual industrial handling.

EC Safety Phrase

S 22 24/25

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Exposure Effects

Allergic reactions have occured with similar compounds.

Poison Class

4 (Substances and products that must be considered harmful)

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use alcohol foam, carbon dioxide, or water spray when fighting fires involving this material.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, strong reducing agents, strong acids, strong bases.

Decomposition

Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen bromide.

Transport Information

HS Code

2934 99 90