Disodium 3-hydroxy-2,7-naphthalenedisulfonate
Suppliers
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
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
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...
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...
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...