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 Transport Information
Home > Embonic acid > Embonic acid(130-85-8)

Embonic acid(130-85-8)

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 Transport Information

Product Identification

Product Name
Embonic acid
Synonyms
2,2'-Dihydroxy-1,1'-dinaphthylmethane-3,3'-dicarboxylic acid
2-Naphthalenecarboxylic acid, 4,4'-methylenebis[3-hydroxy-
4,4'-Methylenebis[3-hydroxy-2-naphthoic acid]
4-[(3-Carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid
Bis(2-hydroxy-3-carboxy-1-naphthyl)methane
Embonic acid
CAS
130-85-8
Formula
C23H16O6
Molecular Weight
388.38
EINECS
204-998-0
RTECS
QL2180000
RTECS Class
Drug; Primary Irritant
Merck
12,7136
Beilstein/Gmelin
901319
Beilstein Reference
4-10-00-02362

Physical and Chemical Properties

Appearance
Odorless yellow solid
Solubility in water
Insoluble
Melting Point
295 - 300
pKa/pKb
2.67 (pKa)
Partition Coefficient
4.46

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. Get medical aid if cough or other symptoms appear.
Skin
Get medical aid if irritation develops or persists. 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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.

Hazards Identification

Ingestion
May cause irritation of the digestive tract.
Inhalation
May cause respiratory tract irritation.
Skin
May cause skin irritation.
Eyes
Causes eye irritation.
EC Risk Phrase
R 36
EC Safety Phrase
S 26 39

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
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Stability and Reactivity

Disposal Code
4
Stability
No data.
Incompatibilities
Strong oxidizing agents
Decomposition
Carbon monoxide, carbon dioxide.

Transport Information

HS Code
2918 29 90
Contact More