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ChemicalBook--->CAS DataBase List--->1668-00-4

1668-00-4

1668-00-4 Structure

1668-00-4 Structure
IdentificationBack Directory
[Name]

ARSENAZO III SODIUM SALT
[CAS]

1668-00-4
[Synonyms]

NSC 91528
Arsenazo Ⅲ
Neothorine
ArzenazoⅢ
Arsenazo-lll
Arsenazo III,95%
Arsenazo III ,99%
Arsenazo III ,78%
ARSENAZO III, REAG.
Arsenazo II, Free Acid
Arsenazo III Beckman®
ARSENAZO III SODIUM SALT
ArsenazoIIImetalindicator
Arsenazo III free acid p.a.
Arsenazo III≥ 96% (Titration)
ARSENAZO III METAL INDICATOR 5 G
ARSENAZO III FREE ACID HIGH GRADE
Bis-2,7-(2-arsenophenylazo)chroMatropic acid
2,7-Bis(2-arsonophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid
3,6-Bis(2-arsonophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
3,6-Bis(2-arsonophenylazo)-4,5-dihydroxynaphthalene-2,7-disulfonic acid
7-Naphthalenedisulfonicacid,3,6-bis[(2-arsonophenyl)azo]-4,5-dihydroxy-2
2,7-Naphthalenedisulfonicacid,3,6-bis[(2-arsonophenyl)azo]-4,5-dihydroxy-
2,7-(bis(2-arsonophenylazo))-1,8-dihydroxynaphthalene-3,6-disulphonic acid
2,7-bis(2-Arsonophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonicacid,sodiumsalt
3,6-bis((E)-(2-arsonophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid
[(1,8-Dihydroxy-3,6-disulfo-2,7-naphthalenediyl)bisazobis(2,1-phenylene)]bisarsonic acid
2,2'-(1,8-DIHYDROXY-3,6-DISULFO-2,7-NAPHTHALENE-BIS(AZO))DIBENZENEARSONIC ACID SODIUM SALT
Arsenazo III [Spectrophotometric reagent for U, Th, Zr and other metals, Indicator for the precipitation titration of SO4 with Ba]
2,7-Bis(2-arsonophenylazo)chromotropic acid, Arsenazo III Beckman(R), 2,2μ-(1,8-Dihydroxy-3,6-disulfonaphthylene-2,7-bisazo)bisbenzenearsonic acid
[EINECS(EC#)]

216-788-6
[Molecular Formula]

C22H18As2N4O14S2
[MDL Number]

MFCD00078931
[MOL File]

1668-00-4.mol
[Molecular Weight]

776.37
Chemical PropertiesBack Directory
[Melting point ]

>320 °C(lit.)
[storage temp. ]

Store at RT.
[solubility ]

ammonium hydroxide: soluble1mg/mL
[form ]

Powder
[pka]

-1.25±0.40(Predicted)
[color ]

Brown
[PH]

2.3 (10g/l, H2O, 20℃)
[BRN ]

5717957
Hazard InformationBack Directory
[Chemical Properties]

Dark brown solid
[Uses]

Spectrophotometric reagent for U, Th, Zr and other metals.Indicator for the precipitation titration of SO4 with Ba.
[Uses]

Usually used in the determination of calcium in serum,has been used to evaluate calcium transport in permeabilized cells,has also been used for the spectrophotometric determination of uranium and thorium.
Safety DataBack Directory
[Hazard Codes ]

T,N
[Risk Statements ]

23/25-50/53
[Safety Statements ]

20/21-28-45-60-61
[RIDADR ]

UN 3465 6.1/PG 2
[WGK Germany ]

3
[HazardClass ]

6.1(b)
[PackingGroup ]

III
[HS Code ]

29319090
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Hydrochloric acid-->Sodium nitrite-->Urea-->1,8-Dihydroxynaphthylene-3,6-disulfonic acid-->2-Aminobenzenearsonic acid
Spectrum DetailBack Directory
[Spectrum Detail]

ARSENAZO III(1668-00-4)IR1
ARSENAZO III(1668-00-4)IR2
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