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98-05-5

98-05-5 Structure

98-05-5 Structure
IdentificationMore
[Name]

PHENYLARSONIC ACID
[CAS]

98-05-5
[Synonyms]

BENZENEARSONIC ACID
PHENYLARSONIC ACID
ai3-16050[qr]
Arsonicacid,phenyl-
arsonicacid,phenyl-[qr]
kyselinabenzenarsonova
monophenylarsonicacid
phenylarsenicacid
phenyl-arsonicaci
phenylarsonicacid[qr]
PhenylArsonicAcidLr
PhenylarsonicAcid99%
PhenylArsonicAcidGr
Phenylarsonicacid,97%
Phenylarsonicacid,98%
Phenylarsonsure
Benzenearsonic acid: (Phenylarsonic acid)
Phenyldihydroxyarsine oxide
[EINECS(EC#)]

202-631-9
[Molecular Formula]

C6H7AsO3
[MDL Number]

MFCD00002097
[Molecular Weight]

202.04
[MOL File]

98-05-5.mol
Chemical PropertiesBack Directory
[Appearance]

Benzenearsonic acid is a colorless, crystalline powder.
[Melting point ]

160 °C
[Boiling point ]

66 °C(Press: 1 Torr)
[density ]

1,76 g/cm3
[solubility ]

3.2% in water and 15.5% in ethanol.
[form ]

Powder
[pka]

pK2: 8.48(+1) (22°C)
[color ]

white
[Specific Gravity]

1.76
[Water Solubility ]

31.6g/L(28 ºC)
[Merck ]

14,1067
[CAS DataBase Reference]

98-05-5(CAS DataBase Reference)
[EPA Substance Registry System]

Benzenearsonic acid (98-05-5)
Safety DataBack Directory
[Hazard Codes ]

N-T
[Risk Statements ]

R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R23/25:Toxic by inhalation and if swallowed .
[Safety Statements ]

S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S60:This material and/or its container must be disposed of as hazardous waste .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S20/21:When using, do not eat, drink or smoke .
[RIDADR ]

3280
[RTECS ]

CY3150000
[TSCA ]

Yes
[HazardClass ]

6.1
[PackingGroup ]

III
[HS Code ]

29310099
[Hazardous Substances Data]

98-05-5(Hazardous Substances Data)
[Toxicity]

LDLo orl-rat: 50 mg/kg JPETAB 93,287,48
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Arsenic(III) oxide
[Preparation Products]

Phenylarsine oxide
Hazard InformationBack Directory
[General Description]

Colorless solid. Used as an analytical reagent for tin.
[Reactivity Profile]

Benzenearsonic acid emits poisonous fumes of arsenic when heated to decomposition. [EPA, 1998].
[Health Hazard]

Benzenearsonic acid is a deadly poison. (Non-Specific--Arsenic Compounds) Chronic exposure to arsenic compounds can cause dermatitis and digestive disorders. Renal damage may develop.
[Potential Exposure]

This material is used as an analytical reagent for tin.
[Fire Hazard]

Benzenearsonic acid emits poisonous fumes of arsenic when heated to decomposition.
[First aid]

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Speed in removing material from skin is of extreme importance. Shampoo hair promptly if contaminated. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
[Shipping]

UN3280 Organoarsenic compound, liquid, n.o.s., Hazard Class: 6.1; Labels: 6.1—Poisonous materials, Technical Name Required. Potential Inhalation Hazard (Special Provision 5).
[Description]

Benzenearsonic acid is a colorless, crystallinepowder. Molecular weight = 202.05; Specific gravity(H2O:1)= 1.76; Freezing/Melting point=160℃ (decomposes). Hazard Identification (based on NFPA-704 MRating System): Health 4, Flammability 1, Reactivity 0.Soluble in water.
[Chemical Properties]

Benzenearsonic acid is a colorless, crystalline powder.
[Chemical Properties]

white to slightly yellow crystalline powder
[Uses]

Arsonic acids (arsonic acid, phenylarsonic acid, p-hydroxyphenylarsonic acid, arsanilic acid) react with the tetravalent metals of group IV of the periodic system to give water-insoluble complexes of composition MA2 . The composition of the precipitates is not exactly stoichiometric, and hence the precipitates are not suitable for direct gravimetric analysis. Instead, the precipitates are transformed by ignition to the corresponding metal oxides and weighed as such. The main advantage of the application of these reagents is the possibility offered of the selective determination of zirconium(IV), hafnium(IV) and titanium(IV) in the presence of many other metals, such as zinc, manganese, nickel, cobalt, aluminium, copper, calcium, magnesium and chromium. In practice they are utilized most frequently for the determination of zirconium.
In strong mineral acidic media phenylarsonic acid forms water-insoluble precipitates with zirconium and hafnium only. In highly concentrated acetic acid solution the thorium phenylarsonate complex is also precipitated, which makes possible the separation of thorium from rare earth metals.
The procedure gives satisfactory results in the presence of alkaline earth metals, iron, aluminium, manganese, cobalt, nickel, copper, zinc and bismuth.
[Uses]

Reagent for tin.
[Definition]

ChEBI: Phenylarsonic acid is an organoarsonic acid and a member of arsonic acids. It is a conjugate acid of a phenylarsonate(1-).
[Safety Profile]

A deadly poison by ingestion andintravenous routes. When heated to decomposition it emits toxic fumes of As.
[storage]

Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Store in tightly closed containers in a cool, well-ventilated area.
[Purification Methods]

Crystallise it from H2O (3mL/g) between 90o and 0o. Alternatively dissolve 600g of the acid in 500mL of boiling H2O, add 20g of Norite, filter hot, cool, filter off the crystals and dry them. On heating at ~154-160o it is converted to the anhydride. [Bullard & Dickery Org Synth Coll Vol II 494 1943, for the 4-nitro derivative see Ruddy & Starkey Org Synth Coll Vol III 665 1955, Beilstein 16 H 868, 16 I 448, 16 II 457, 16 III 1057, 16 IV 1183.]
Spectrum DetailBack Directory
[Spectrum Detail]

PHENYLARSONIC ACID(98-05-5)IR1
PHENYLARSONIC ACID(98-05-5)IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Phenylarsonic acid, 97%(98-05-5)
[Alfa Aesar]

Phenylarsonic acid, 97%(98-05-5)
[Sigma Aldrich]

98-05-5(sigmaaldrich)
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