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 > 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone > 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone(131-54-4)

2,2'-Dihydroxy-4,4'-dimethoxybenzophenone(131-54-4)

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 Transport Information

Product Identification

Product Name
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
Synonyms
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
4,4'-Dimethoxy-2,2'-dihydroxybenzophenone
Cyasorb UV
Methanone, bis(2-hydroxy-4-methoxyphenyl)-
Uvinul 3049
Uvinul D 49
CAS
131-54-4
Formula
C15H14O5
Molecular Weight
274.27
EINECS
205-027-3
RTECS
DJ0900000
RTECS Class
Mutagen
Merck
13,1100
Beilstein/Gmelin
1887087
Beilstein Reference
4-08-00-03505

Physical and Chemical Properties

Appearance
Yellow granular powder.
Solubility in water
Insoluble
Melting Point
139 - 140
Boiling Point
422
pKa/pKb
6.80 (pKa)
Partition Coefficient
2.21
Usage
Used as a ultraviolet light absorber, esp in paints, plastics.

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 immediately.
Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation
Causes respiratory tract irritation. Causes irritation of mucous membrane.
Skin
Causes skin irritation.
Eyes
Causes eye irritation.
Ingestion
May cause irritation of the digestive tract.
Hazards
During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
EC Risk Phrase
R 36/37/38
EC Safety Phrase
S 26 36
UN (DOT)
1325

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.
Exposure Effects
The toxological properties of this substance have not been fully investigated.

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 agent most appropriate to extinguish fire.
Fire Potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.

Accidental Release Measures

Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Provide ventilation.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, acrid smoke and fumes.
Combustion Products
Fire may produce irritating and/or toxic gases.

Transport Information

UN Number
1325
Hazard Class
4.1
Packing Group
II; III
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