Curcumin

  • 1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione; curcumin, mixture
Formula
C21H20O6
Structure
Description
Orange-yellow needles or powder.
Uses
For preparing curcuma paper, pH range 8-9, in detection of boron.

Registry Numbers and Inventories.
CAS
458-37-7
EC (EINECS/ELINCS)
207-280-5
RTECS
MI5230000
RTECS class
Tumorigen; Mutagen; Natural Product
Merck
12,2744
Beilstein/Gmelin
2306965
Beilstein Reference
4-08-00-03697
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
C21H20O6
Formula mass
368.39
Melting point, °C
170 - 175
Vapor density (air=1)
13
Density
0.9348 g/cm3 (20 C)
Solubility in water
insoluble

Hazards and Protection.
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.
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.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
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.

Health.
Exposure effects
   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.

First aid
 
   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.

Transport.
HS Code
2914 50 00