CAS No.21679-31-2,Chromium(III) acetylacetonate Suppliers

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Basic Information

Molecular Structure:
CAS No.:	21679-31-2
Name:	Chromium(III) acetylacetonate

Formula:	C₁₅H₂₁CrO₆
Molecular Weight:	349.32
Synonyms:	Chromium,tris(2,4-pentanedionato)- (6CI,7CI,8CI);Chromium,tris(2,4-pentanedionato-O,O')-, (OC-6-11)-;Chromium, tris(2,4-pentanedionato-kO,kO')-, (OC-6-11)- (9CI);Chromic acetylacetonate;Chromium acetylacetonate;Chromium triacetylacetonate;Chromiumtris(2,4-pentanedionate);Chromium tris(acetylacetonate);Chromium(3+)acetylacetonate;Chromium(III) acetylacetonate;NSC 4654;NSC 52331;Tris(2,4-pentanedionato)chromium;Tris(2,4-pentanedionato-k2O,O')chromium(III);Tris(acetylacetonato)chromium;Tris(acetylacetonato)chromium(III);Tris(acetylacetonyl)aluminum chromium(III);
EINECS:	244-526-0
Density:	1,35 g/cm³
Melting Point:	212 °C(lit.)
Boiling Point:	340 °C
Flash Point:	>200ºC
Solubility:	11 g/L (20 °C) in water
Appearance:	Purple crystalline powder
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	22-26-36-37/39
PSA:	102.42000
LogP:	1.66350

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Chemistry

IUPAC Name: Chromic (Z)-4-oxopent-2-en-2-olate
CAS: 21679-31-2
EINECS: 244-526-0
Product Categories: Pharmaceutical Intermediates ; Organometallics ; Catalysts for Organic Synthesis ; Classes of Metal Compounds ; Cr (Chromium) Compounds ; Homogeneous Catalysts ; Metal Complexes ; Synthetic Organic Chemistry ; Transition Metal Compounds .
Following is the Molecular Structure of Tris(2,4-pentanedionato)chromium (21679-31-2):

Molecular Formula: C₁₅H₂₁CrO₆
Molecular Weight: 349.32
Melting Point: 210℃(lit.)
Boiling Point: 187.6℃ at 760mmHg
Flash Point: 71.9℃
Density: 1.35 g/cm³
Enthalpy of Vaporization: 49.32kJ/mol
Vapour Pressure: 0.174mmHg at 25℃

Uses

Tris(2,4-pentanedionato)chromium (21679-31-2) can be used in NMR spectroscopy as a relaxation agent.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LD50	skin	6350mg/kg (6350mg/kg)		Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974.
rat	LD50	oral	3360mg/kg (3360mg/kg)		Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974.

Consensus Reports

Chromium and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Safety Profile

Hazard Codes: Xi Irritant.
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 22-26-36-37/39
S22: Do not breathe dust.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
S37/39: Wear suitable gloves and eye/face protection.
WGK: Germany 2
RTECS: GB7575000
TSCA: Yes
HS Code: 29420000
Moderately toxic by ingestion. Mildly toxic by skin contact.

Standards and Recommendations

OSHA PEL: TWA 0.5 mg(Cr)/m³
ACGIH TLV: TWA 0.5 mg(Cr)/m³; Not Classifiable as a Carcinogen

Specification

Tris(2,4-pentanedionato)chromium (21679-31-2) also can be called for Acetylacetone chromium(+3) ; Acetylacetone,chromium(III) derivative ; Acetylacetone chromium(III) salt ; 2,4-Pentanedione chromium salt ; Chromium(III) aa ; Chromium(III) 2,4-Pentanedionate ; Chromium(III) acetylacetonate ; Chromium 2,4-pentanedionate . Tris(2,4-pentanedionato)chromium (21679-31-2) is a purple crystalline powder.When heated to decomposition it emits acrid smoke and irritating fumes.It's stable at room temperature in closed containers under normal storage and handling conditions.