CAS No.1333-82-0,Chromium trioxide Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	1333-82-0
Name:	Chromium trioxide
Article Data:	2
Cas Database

Formula:	CrO₃
Molecular Weight:	99.9942
Synonyms:	Chromia(CrO₃);Chromic anhydride;Chromic trioxide;Chromiumtrioxide;Chromium(VI) oxide;Chromium(VI) trioxide;Monochromium trioxide;Chromiun(Ⅵ)oxide;
EINECS:	215-607-8
Density:	2.7 g/cm³
Melting Point:	196 °C
Boiling Point:	330 °C
Flash Point:	250°C
Solubility:	Highly soluble in water
Appearance:	dark red crystals or powder
Hazard Symbols:	O,T+,N
Risk Codes:	45-46-9-24/25-26-35-42/43-48/23-50/53-62-8
Safety:	53-45-60-61-36/37/39-28-26-22
Transport Information:	UN 1463 5.1/PG 2
PSA:	51.21000
LogP:	-0.35640

Synthetic route

: 7440-47-3
chromium

: 80937-33-3
oxygen

: 1333-82-0
chromium(VI) oxide

Conditions

Conditions	Yield
In gaseous matrix laser-vaporized Cr atoms; O2 seeded in He; underwent supersonic expansion;

: chromium chloride

: 7732-18-5
water

: 1333-82-0
chromium(VI) oxide

Conditions

Conditions	Yield
Stage #1: chromium chloride; water With ammonia pH=7.5; Stage #2: at 300℃; for 8h; Calcination;

: 1333-82-0
chromium(VI) oxide

: 175424-48-3
3-methyl-6-benzyloxazolo[4,5-b]pyridin-2(3H)-one

: 175424-00-7
3-methyl-6-benzoyloxazolo[4,5-b]pyridin-2(3H)-one

Conditions

Conditions	Yield
With tert.-butylhydroperoxide In dichloromethane	82%

: 4926-28-7
2-Bromo-4-picoline

: 1333-82-0
chromium(VI) oxide

: 66572-56-3
2-bromoisonicotinic acid

Conditions

Conditions	Yield
In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; sulfuric acid	82%

3N-HCl: 3N-HCl

: 14495-51-3
2-bromo-5-chlorotoluene

: 1333-82-0
chromium(VI) oxide

: 174265-12-4
2-bromo-5-chlorobenzaldehyde

Conditions

Conditions	Yield
With sulfuric acid In ethanol; water; acetic anhydride	77%

...Expand

: 333995-39-4
2-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5,6-difluoro-2,4,5,6-tetrahydrocyclopenta[c]pyrazole

: 1333-82-0
chromium(VI) oxide

: 333995-42-9
2-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5,6-difluoro-5,6-dihydrocyclopenta[c]pyrazol-4-one

Conditions

Conditions	Yield
In hexane; acetic acid; ethyl acetate	76%

: 7647-01-0
hydrogenchloride

: 91-63-4
2-methylquinoline

: 1333-82-0
chromium(VI) oxide

: quinaldinium chlorochromate

Conditions

Conditions	Yield
In water at 0℃; for 2.5h;	72%

...Expand

: 1333-82-0
chromium(VI) oxide

: 100991-28-4
1,11-dihydroxy-3-dodecyne

: 87519-39-9
11-hydroxy-3-dodecynoic acid

Conditions

Conditions	Yield
In hexane; sulfuric acid; water; acetone	68%

: 1607-17-6
pentrinitrol

: 1333-82-0
chromium(VI) oxide

: 67406-79-5
2-Nitryloxy-2,2-bis(nitryloxymethyl)propionsaeure

Conditions

Conditions	Yield
With sulfuric acid	60%

: 333995-54-3
2-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5,5-difluoro-2,4,5,6-tetrahydrocyclopenta[c]pyrazole

: 1333-82-0
chromium(VI) oxide

: 333995-57-6
2-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5,5-difluoro-5,6-dihydrocyclopenta[c]pyrazol-4-one

Conditions

Conditions	Yield
In hexane; acetic acid; ethyl acetate	50%

Raw Materials

Downstream Products

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Chemistry

Molecular Structure of Chromium trioxide (CAS NO.10043-01-3):

IUPAC Name: trioxochromium
Molecular formula: CrO₃
Molar mass: 99.9943 g/mol
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 51.21 Å²
Appearance: dark red granular solid
Odor: odorless
Density: 2.70 g/cm³ (20 °C)
Melting point: 197 °C
Boiling Point: 330 °C
Flash Point: 250°C
EINECS: 215-607-8
Water Solubility Highly soluble
Product Categories: Inorganic & organic chemicals; Inorganics
Synonyms: Anidride cromica ; anidridecromica ; anidridecromica ; Chrome bronze ; chrome(trioxydede) ; chrome(trioxydede)(french)[qr] ; chrometrioxydede ; chromia(CrO₃)

Uses

Main application areas for inorganic chromium compounds industrial production. Chromium trioxide used for dyeing and printing industry, paint industry for the production of zinc chrome yellow, Cr₂O₃ organic industry for the production of low-temperature shift catalyst, the instrument of change agents, oxidation catalyst and high-pressure methanol catalyst. And also for the preservation of timber or waterproofing agent production and high purity such as electrolytic chromium metal.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
human	TCLo	inhalation	110ug/m³ (0.11mg/m³)		Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 22, Pg. 291, 1980.
mouse	LD50	intraperitoneal	14mg/kg (14mg/kg)		Nippon Eiseigaku Zasshi. Japanese Journal of Hygiene. Vol. 34, Pg. 193, 1979.
mouse	LD50	intravenous	17100ug/kg (17.1mg/kg)		Indian Journal of Pharmacology. Vol. 23, Pg. 153, 1991.
mouse	LD50	oral	127mg/kg (127mg/kg)		Zhonghua Yufangyixue Zazhi. Chinese Journal of Preventive Medicine. Vol. 14, Pg. 86, 1980.
mouse	LDLo	subcutaneous	20mg/kg (20mg/kg)		Senten Ijo. Congenital Anomalies. Vol. 19, Pg. 171, 1979.
rat	LD50	intraperitoneal	58400ug/kg (58.4mg/kg)		Indian Journal of Pharmacology. Vol. 23, Pg. 153, 1991.
rat	LD50	intravenous	9260ug/kg (9.26mg/kg)		Indian Journal of Pharmacology. Vol. 23, Pg. 153, 1991.
rat	LD50	oral	80mg/kg (80mg/kg)	LUNGS, THORAX, OR RESPIRATION: CYANOSIS GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" SKIN AND APPENDAGES (SKIN): HAIR: OTHER	Kenkyu Nenpo--Tokyo-toritsu Eisei Kenkyusho. Annual Report of Tokyo Metropolitan Research Laboratory of Public Health. Vol. 27, Pg. 119, 1976.
rat	LDLo	skin	55mg/kg (55mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: FOOD INTAKE (ANIMAL) SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"	National Technical Information Service. Vol. OTS0537097,

Safety Profile

Hazard Codes: Oxidizing O, Very T+, Dangerous N, Toxic T
Risk Statements: 45-46-9-24/25-26-35-42/43-48/23-50/53-62-8
R45:May cause cancer.
R46:May cause heritable genetic damage.
R9:Explosive when mixed with combustible material.
R24:Toxic in contact with skin.
R25 :Toxic if swallowed.
R26:Very toxic by inhalation.
R35:Causes severe burns.
R42/43:May cause sensitization by inhalation and skin contact.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R8 :Contact with combustible material may cause fire.
R62:Risk of impaired fertility.
Safety Statements: 53-45-60-61-36/37/39-28-26-22
S53:Avoid exposure - obtain special instructions before use.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S22:Do not breathe dust.
RIDADR: UN 1463 5.1/PG 2
WGK Germany: 3
RTECS: GB6650000
HazardClass: 5.1
PackingGroup: II
HS Code: 28191000

Specification

Chromium trioxide (CAS NO.10043-01-3) is highly toxic, corrosive and carcinogenic. It is the main example of the environmental hazard known as "hexavalent chromium". The related chromium (III) derivatives are not particularly dangerous, thus reductants are used to destroy chromium(VI) samples. Chromium trioxide, being a powerful oxidizer, will ignite some organic materials (such as ethanol) on contact.