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120-18-3

120-18-3 structure
120-18-3 structure

Name naphthalene-2-sulfonic acid
Synonyms naphthalene-6-sulfonic acid
kyselina2-naftalensulfonova
2-Naphthalenesulfonic acid
β-Naphthalenesulfonic acid
2-Naphthalene Sulfonic Acid
2-Sulfonaphthalene
Naphthalene-2-Sulfonic Acid Hydrate
NAPHTHALENE-2-SULFONIC ACID
Dirinal NSK
EINECS 204-375-3
naphthalene-2-sulphonic acid
2-naphthalenesulphonic acid
MFCD00004089
2-Naphthalenesulfoni
napthalene-2-sulfonic acid
2-Naphthalenesulfonic acid hydrate
Density 1.4±0.1 g/cm3
Melting Point 124 °C
Molecular Formula C10H8O3S
Molecular Weight 208.234
Exact Mass 208.019409
PSA 62.75000
LogP 1.70
Vapour Pressure 7.05E-12mmHg at 25°C
Index of Refraction 1.670

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QK1225000
CHEMICAL NAME :
2-Naphthalenesulfonic acid
CAS REGISTRY NUMBER :
120-18-3
BEILSTEIN REFERENCE NO. :
1955756
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C10-H8-O3-S
MOLECULAR WEIGHT :
208.24
WISWESSER LINE NOTATION :
L66J CSWQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4440 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(10),101,1974
Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H290-H314
Precautionary Statements P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Hazard Codes C:Corrosive;
Risk Phrases R35
Safety Phrases S26-S36/37/39-S45
RIDADR UN 2583 8/PG 2
WGK Germany 1
RTECS QK1225000
Packaging Group III
Hazard Class 8
HS Code 2904100000
HS Code 2904100000
Summary 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%