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HCID 8458Erstellt: 23. Oktober 2026

4-Nitrotoluol-2-sulfonsure

2-METHYL-5-NITROBENZENESULFONIC ACID · PNTOS · PNOTSA · 4-Nitrotoluol-2-acid · LABOTEST-BB LT00052933 · 4-Nitro-2-sulfotoluene · 5-nitro-o-toluenesulfonicac · 5-nitro-o-toluenesulfonicaci

https://huagongshe.com/de/chemical/8458

Molekülstruktur von 4-Nitrotoluol-2-sulfonsure

Identifikatoren & physikalische Daten

CAS No.121-03-9
SummenformelC7H7NO5S
Durchschnittliche Molmasse217,2 g/mol
Monoisotopische Masse217,0044935 g/mol
SMILESCc1ccc([N+](=O)[O-])cc1S(=O)(=O)O
InChIKeyZDTXQHVBLWYPHS-UHFFFAOYSA-N
PubChem CID8458
ChEMBLCHEMBL3183957
ChEBICHEBI:67120
EC No.204-445-3
DTXSIDDTXSID4026975
Lokaler Name4-Nitrotoluol-2-sulfonsure

Chemische & physikalische Eigenschaften

XLogP0,9
Polarare Oberfläche (TPSA)109
H-Brücken-Donoren1
H-Brücken-Akzeptoren5
Frei drehbare Bindungen1
Schwere Atome14
Formalladung0
Komplexität314
Color/FormPRISMS OR PLATES FROM WATER
LöslichkeitVERY SOL IN WATER, ALCOHOL, ETHER, CHLOROFORMMethanol (Slightly), Water (Slightly)667g/L at 23℃
FlammpunktFlash point > 133 °C
Schmelzpunkt133.5 °C135°C
Physical DescriptionOther SolidDry Powder[HSDB] Pale brown odorless crystalline powder[MSDSonline]
Collision Cross Section138.7 Ų [M-H]- [CCS Type: DTBuffer gas: N2Ionization: ESI-Dataset: TOXCASTSource Identifier: DTXSID4026975]
Siedepunkt500°C (rough estimate)
Dichte1.6040 (rough estimate)
Dampfdruck0Pa at 20℃
Brechungsindex1.6100 (estimate)
LagerbedingungenSealed in dry,Room Temperature
AggregatzustandSolid
pKa (Säurekonstante)-1.14±0.33(Predicted)
FarbeVery Dark Brown
InChIInChI=1S/C7H7NO5S/c1-5-2-3-6(8(9)10)4-7(5)14(11,12)13/h2-4H,1H3,(H,11,12,13)
InChIKeyZDTXQHVBLWYPHS-UHFFFAOYSA-N
SMILESC1(S(O)(=O)=O)=CC([N+]([O-])=O)=CC=C1C
CAS Datenbank121-03-9(CAS DataBase Reference)
EPA chemische InformationenBenzenesulfonic acid, 2-methyl-5-nitro- (121-03-9)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 0.5% (1 of 221) of reports.DangerH302 (80.1%): Harmful if swallowed [Warning Acute toxicity, oral]H314 (19%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]H315 (81%): Causes skin irritation [Warning Skin corrosion/irritation]H317 (80.1%): May cause an allergic skin reaction [Warning Sensitization, Skin]H318 (80.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]P260, P261, P264, P264+P265, P270, P272, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P332+P317, P333+P317, P362+P364, P363, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 221 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Reported as not meeting GHS hazard criteria per 1 of 221 reports by companies.There are 8 notifications provided by 220 of 221 reports by companies with hazard statement code(s).Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Regulatorische InformationenChemical: Benzenesulfonic acid, 2-methyl-5-nitro-Benzenesulfonic acid, 2-methyl-5-nitro- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Benzenesulfonic acid, 2-methyl-5-nitro- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 11-01-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/14674Status: Active Update: 17-07-2013 https://echa.europa.eu/registration-dossier/-/registered-dossier/6891Status: Active Update: 22-10-2012 https://echa.europa.eu/registration-dossier/-/registered-dossier/8159Status: Active Update: 21-01-2015 https://echa.europa.eu/registration-dossier/-/registered-dossier/7610Benzenesulfonic acid, 2-methyl-5-nitro-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
GefahrenübersichtA moderate skin irritantA strong eye irritant, according to animal studiesHandled by workers as a wetcake so no dust is generatedWetcake is corrosive to skin since it contains sulfuric acid[IUCLID] May cause irritation[MSDSonline]
Hazard Classes and CategoriesAcute Tox. 4 (80.1%)Skin Corr. 1B (19%)Skin Irrit. 2 (81%)Skin Sens. 1B (80.1%)Eye Dam. 1 (80.5%)Acute toxicity (Oral) - Category 4Skin corrosion/irritation - Category 1Serious eye damage/eye irritation - Category 1
TSCA-Inventar-StatusTSCA listed
UN-Transportnummer3261
Zollcode2904.99.4700
RTECS-Nr.DB7175000
R-Sätze (R)34-41-43-36-22
Toxizitätrat,LD50,oral,3710mg/kg (3710mg/kg),"Prehled Prumyslove ToxikologieOrganicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1055, 1986.
GefahrensymboleXn
Sicherheitshinweise (S)26-36/37/39-39-36/37
Gefahrenklasse8
VerpackungsgruppeIII
Gefahrstoffdaten121-03-9(Hazardous Substances Data)

Anwendungen & Verwendung

Verwenden

5-Nitro-o-toluenesulfonic Acid is a precursor to 4,4''-dinitrostilbene-2,2''-disulfonic acid in fluorescent whitener.