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 > 3,4-Dihydroxy-3-cyclobutene-1,2-dione > 3,4-Dihydroxy-3-cyclobutene-1,2-dione(2892-51-5)

3,4-Dihydroxy-3-cyclobutene-1,2-dione(2892-51-5)

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
3,4-Dihydroxy-3-cyclobutene-1,2-dione
Synonyms
1,2-Diketo-3,4-dihydroxycyclobutene
3,4-Dihydroxy-3-cyclobutene-1,2-dione
3,4-Dihydroxycyclobutene-1,2-dione
Dihydroxycyclobutenedione
Quadratic acid
CAS
2892-51-5
Formula
C4H2O4
Molecular Weight
114.06
EINECS
220-761-4
RTECS
GU1800000
RTECS Class
Tumorigen
Beilstein/Gmelin
774275
Beilstein Reference
4-08-00-02701
EC Class
corrosive

Physical and Chemical Properties

Appearance
odorless slightly beige solid
Solubility in water
Very soluble
Melting Point
293
Vapor Pressure
0.075 (20 C)
Density
1 g/cm3 (20 C)
pKa/pKb
0.52 (pKa)
Usage
Treatment of warts and autoimmune hair loss.

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. Flush skin with plenty of soap and water for at least 15 minutes while removing 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.

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. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Ingestion
The toxicological properties of this substance have not been fully investigated.
Inhalation
The toxicological properties of this substance have not been fully investigated.
Skin
May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
Eyes
May cause eye irritation.
EC Risk Phrase
R 34
EC Safety Phrase
S 26 36/37/39 45
UN (DOT)
3261

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

Flash Point
190
Autoignition
400
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

Accidental Release Measures

Small spills/leaks
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.

Stability and Reactivity

Disposal Code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong bases.
Decomposition
Carbon monoxide, carbon dioxide.

Transport Information

UN Number
3261
HS Code
2914 40 90
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