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Disodium 3-hydroxy-2,7-naphthalenedisulfonate

Names

[ CAS No. ]:
135-51-3

[ Name ]:
Disodium 3-hydroxy-2,7-naphthalenedisulfonate

[Synonym ]:
3-Hydroxy-2,7-naphthalenedisulfonic Acid Disodium Salt
2,7-Naphthalenedisulfonic acid, 3-hydroxy-, sodium salt (1:2)
MFCD00065915
Disodium 2-naphthol-3,6-disulfonate
2-Naphthol-3,6-disulfonic Acid Disodium Salt
EINECS 205-196-3
R Acid Disodium Salt
Disodium 3-hydroxy-2,7-naphthalenedisulfonate
Sodium 3-hydroxynaphthalene-2,7-disulfonate
disodium 3-hydroxynaphthalene-2,7-disulfonate

Chemical & Physical Properties

[ Melting Point ]:
107ºC

[ Molecular Formula ]:
C10H6Na2O7S2

[ Molecular Weight ]:
348.260

[ Exact Mass ]:
347.935028

[ PSA ]:
151.39000

[ LogP ]:
2.51520

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QJ6477000
CHEMICAL NAME :
2,7-Naphthalenedisulfonic acid, 3-hydroxy-, disodium salt
CAS REGISTRY NUMBER :
135-51-3
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C10-H6-O7-S2.2Na
MOLECULAR WEIGHT :
348.26
WISWESSER LINE NOTATION :
L66J CQ DSWO HSWO &-NA- 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2 gm/kg
SEX/DURATION :
female 1-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 11,355,1973
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
300 mg/kg
SEX/DURATION :
female 1-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 11,355,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2877 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 170 (estimated) No. of Female Employees: 103 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319

[ Precautionary Statements ]:
P305 + P351 + P338

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

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
QJ6477000

[ HS Code ]:
2922210000

Precursor & DownStream

Customs

[ HS Code ]: 2908999090

[ Summary ]:
2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Articles

Rapid pH and deltamuH+ jump by short laser pulse.

J. Biochem. Biophys. Methods 1(1) , 9-19, (1979)

The excited state (S1) of sulfononaphthols has a pK value well below that of the ground state, consequently intensive illumination of their aqueous solution should lead to acidification. In this study...

Kinetic analysis of protonation of a specific site on a buffered surface of a macromolecular body.

Biochemistry 24(12) , 2941-6, (1985)

The kinetics of protonation of a specific site on a macromolecular structure (micelle) in buffered solution was studied with the purpose of evaluating the effect of buffer on the observed dynamics. Th...

Effect of buffer on kinetics of proton equilibration with a protonable group.

Biochemistry 24(12) , 2937-41, (1985)

The laser-induced proton pulse generates a massive, brief, proton pulse capable of perturbing biochemical equilibria. The time resolution of the monitoring system can follow the diffusion-controlled p...


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