ChemicalBook >>Curcumin>>C.I. 75300(458-37-7)

C.I. 75300(458-37-7)

C.I. 75300(458-37-7)
Product IdentificationBack to Contents
【Product Name】

C.I. 75300
【Synonyms】

(E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione
1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxy-3-methoxyphenyl)-, (1E,6E)-
1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxy-3-methoxyphenyl)-, (E,E)-
C Yellow 15
Yellow Ginger
【CAS】

458-37-7
【Formula】

C21H20O6
【Molecular Weight】

368.39
【EINECS】

207-280-5
【RTECS】

MI5230000
【RTECS Class】

Tumorigen; Mutagen; Natural Product
【Merck】

12,2744
【Beilstein/Gmelin】

2306965
【Beilstein Reference】

4-08-00-03697
Physical and Chemical PropertiesBack to Contents
【Appearance】

Orange-yellow needles or powder.
【Solubility in water】

insoluble
【Melting Point】

170 - 175
【Density】

0.9348 g/cm3 (20 C)
【pKa/pKb】

8.09(at 25℃) (pKa)
【Usage】

For preparing curcuma paper, ph range 8-9, in detection of boron.
【Vapor Density】

13
First Aid MeasuresBack to Contents
【Ingestion】

Get medical aid. Wash mouth out with water.
【Inhalation】

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
【Skin】

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a cool, dry place. Store in a tightly closed container.
【Handling】

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Hazards IdentificationBack to Contents
【Ingestion】

The toxicological properties of this substance have not been fully investigated.
【Inhalation】

May cause respiratory tract irritation.
【Skin】

May cause skin irritation.
【Eyes】

May cause eye irritation.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
【Respirators】

A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Fire Fighting MeasuresBack to Contents
【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 MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, carbon dioxide.
Transport InformationBack to Contents
【HS Code】

2914 50 00
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