Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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C.I. 42780(28983-56-4)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
C.I. 42780
Synonyms
Acid blue 93
Aniline blue water soluble
Benzenesulfonic acid, [[4-[bis[4-[(sulfophenyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]amino]-, disodium salt
Cotton blue
Poirriers blue
Water blue
CAS
28983-56-4
Formula
C37H27N3Na2O9S3
Molecular Weight
799.81
EINECS
249-352-9
RTECS
DB5044700
RTECS Class
Mutagen
Merck
13,6055

Physical and Chemical Properties

Appearance
deep brown fine crystals
Usage
Used as a a coloring.

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 contact, immediately wash skin with soap and copious amounts of water.
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.

Hazards Identification

Inhalation
May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
Skin
May cause skin irritation. May be harmful if absorbed through the skin.
Eyes
May cause eye irritation.
Ingestion
May be harmful if swallowed.
Hazards
Emits toxic fumes under fire conditions.
EC Safety Phrase
22 24/25

Exposure Controls/Personal Protection

Personal Protection
Protective gloves. Chemical safety goggles.
Respirators
Wear dust mask.
Exposure Effects
Avoid contact and inhalation.

Fire Fighting Measures

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.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.
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