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| Name |
ARSENIC PENTOXIDE |
EINECS | 215-116-9 |
| CAS No. | 1303-28-2 | Density | 4.32 g/cm3 |
| PSA | 77.51000 | LogP | -1.30520 |
| Solubility | N/A | Melting Point |
315 °C |
| Formula | As2O5 | Boiling Point | N/A |
| Molecular Weight | 229.84 | Flash Point | N/A |
| Transport Information | UN 1559 | Appearance | white to off-white powder and chunks |
| Safety | 45-53-61-60 | Risk Codes | 23/25-45-50/53 |
| Molecular Structure |
|
Hazard Symbols |
 T，  N
|
| Synonyms |
Arsenic oxide;Arsenic oxide (As2O5);Anhydride arsenique;Arsenic(5+) oxide; |
ARSENIC PENTOXIDE Chemical Properties
Product Name: Arsenic pentoxide (CAS NO.1303-28-2)
Molecular Formula: As2O5
Molecular Weight: 229.84g/mol
Mol File: 1303-28-2.mol
Einecs: 215-116-9
Appearance: White to off-white powder and chunks
Melting Point: 315 °C
Storage Temperature: Poison room
Density: 4,32 g/cm3
Water Solubility: 59.5 g/100 mL (0 °C); 65.8 g/100 mL (20 °C); 8.20 g/100 mL (100 °C)
Sensitive: Hygroscopic
H-Bond Donor: 0
H-Bond Acceptor: 5
Product Categories: Industrial/Fine Chemicals; Inorganics; Arsenic; Catalysis and Inorganic Chemistry; Chemical Synthesis
ARSENIC PENTOXIDE Uses
Arsenic pentoxide (CAS NO.1303-28-2) is used to arsenate preparation, dye and printing industries, etc., and can be used as insecticides.
ARSENIC PENTOXIDE Production
Arsenic pentoxide decomposes to oxygen and As2O3 upon heating forming arsenic trioxide. It is an oxidizing agent, liable to react vigorously with oxidizable substances — for example, it liberates chlorine from hydrochloric acid.
As2O5 dissolves readily in water to form arsenic acid, H3AsO4.
ARSENIC PENTOXIDE Toxicity Data With Reference
| 1. | cyt-hmn:leu 1200 nmol/L | MUREAV Mutation Research. 88 (1981),73. | ||
| 2. | mrc-bcs 50 mmol/L | MUREAV Mutation Research. 77 (1980),109. | ||
| 3. | orl-rat LD50:8 mg/kg | 28ZEAL Pesticide Index. 4 (1969),50. | ||
| 4. | orl-mus LD50:55 mg/kg | IRGGAJ Internationales Archiv fuer Gewerbepathologie und Gewerbehygiene. 20 (1963),21. | ||
| 5. | ivn-rbt LDLo:6 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB214-270 . |
ARSENIC PENTOXIDE Consensus Reports
IARC Cancer Review: Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 23 (1980),p. 39.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. Arsenic and its compounds are on the Community Right-To-Know List. EPA Extremely Hazardous Substances List.
ARSENIC PENTOXIDE Safety Profile
Confirmed human carcinogen. Poison by ingestion and intravenous routes. Experimental reproductive effects. Mutation data reported. Reacts vigorously with Rb2C2. When heated to decomposition it emits toxic fumes of arsenic. See also ARSENIC COMPOUNDS.
Safety Information of Arsenic pentoxide (CAS NO.1303-28-2):
Hazard Codes: T.gif){kind=small}
,N.gif){kind=small}
Risk Statements: 23/25-45-50/53
23: Toxic by inhalation
25: Toxic if swallowed
45: May cause cancer
50: Very Toxic to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
Safety Statements: 45-53-61-60
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
53: Avoid exposure - obtain special instruction before use
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
ARSENIC PENTOXIDE Standards and Recommendations
OSHA PEL: OSHA: Cancer Hazard
ACGIH TLV: TWA 0.01 mg/m3; Confirmed Human Carcinogen; BEI: 35 μ (As)/L inorganic arsenic and methylated metabolites in urine
DFG MAK: Human Carcinogen
NIOSH REL: CL 2 µg(As)/m3/15 M
DOT Classification: 6.1; Label: Poison
ARSENIC PENTOXIDE Specification
Arsenic pentoxide ,its CAS NO. is 1303-28-2,the synonyms is Anhydridearsenique ; Anhydridearsenique(french) ; Arsenicacid,anhydride ; Arsenicacidanhydride ; Arsenicoxide ; Arsenicpentaoxide ; Arsenicpentoxide100/ ; Arsenicpentoxide100/105000 .