| Identification | More | [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 |
| Safety Data | Back 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 |
| Hazard Information | Back 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.] |
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