nitroso-R salt

Names

[ CAS No. ]:
525-05-3

[ Name ]:
nitroso-R salt

[Synonym ]:
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic Acid Disodium Salt Monohydrate
Disodium 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonate Monohydrate
Sodium Salt of 1-Nitroso-2-hydroxynaphthalene-3,6-disulfonic Acid
Sodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
nitroso-R salt
Nitroso R Salt
EINECS 208-369-1
Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate
1-Nitroso-2-naphthol-3,6-disulf
3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, sodium salt (1:2)
3-hydroxy-4-nitrosonaphthalene-2,7-disulfonic acid, sodium salt, sodium salt
1-Nitroso-R-salt
MFCD00003885
disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
Disodium 3-hydroxy-4-nitroso-2,7-naphthalenedisulfonate
1-Nitroso-2-naphthol-3,6-disulfonic acid sodium salt

Chemical & Physical Properties

[ Melting Point ]:
>300 °C(lit.)

[ Molecular Formula ]:
C₁₀H₅NNa₂O₈S₂

[ Molecular Weight ]:
377.258

[ Exact Mass ]:
376.925201

[ PSA ]:
180.82000

[ LogP ]:
2.91310

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ6480000

CHEMICAL NAME :: 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt

CAS REGISTRY NUMBER :: 525-05-3

LAST UPDATED :: 199709

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C10-H5-N-O8-S2.2Na

MOLECULAR WEIGHT :: 377.26

WISWESSER LINE NOTATION :: L66J BNO CQ DSWO HSWO &-NA- 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 320 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#05619 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83882 No. of Facilities: 6 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 23 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302-H312-H332

[ Precautionary Statements ]:
P280

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R20/21/22

[ Safety Phrases ]:
S22-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
QJ6480000

[ HS Code ]:
2907199090

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2907199090

[ Summary ]:
2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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