Substance
ID:358029
Names and Identifiers
IUPAC name
4-methylbenzene-1-sulfonic acid hydrate
IUPAC Traditional name
toluenesulfonic acid hydrate
Synonyms
p-Toluenesulfonic acid monohydrate对甲苯磺酸 一水合物
Registration numbers
EC Number
MDL Number
Beilstein Number
CAS Number
Properties
Product Information
Grade
puriss.
Impurities
≤0.5% H2SO4
9-11% water
Purity
≥98.5% (T)
Linear Formula
CH3C6H4SO3H · H2O
Physical Property
Melting Point
103-106 °C(lit.)
102-105 °C
Solubility
H2O: soluble0.1 g/mL, clear
Vapor Density
5.9 (vs air)
Safety Information
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Packing Group
3
GHS Signal Word
Warning
Hazard Class
8
Risk Statements
36/37/38
European Hazard Symbols
Irritant (Xi)UN Number
2585
GHS Hazard statements
H315-H319-H335
German water hazard class
1
MSDS Link
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
GHS Precautionary statements
P261-P305+P351+P338
RID/ADR
UN 2585 8/PG 3
Safety Statements
26
Molecule Details
Other Notes
Lit.1; For a mild hydrolysis of proteins with subsequent quantitative estimation of tryptophan2
Lit.1; For a mild hydrolysis of proteins with subsequent quantitative estimation of tryptophan2
Molecular Spectra
No Data Available
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References
No Data Available
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