2-Methyl-5-nitrobenzenesulfonic acid
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2-Methyl-5-nitrobenzenesulfonic acid
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CAS No:
121-03-9
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Formula:
C7H7NO5S
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Chemical Name:
2-Methyl-5-nitrobenzenesulfonic acid
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Synonyms:
Benzenesulfonic acid,2-methyl-5-nitro-;o-Toluenesulfonic acid,5-nitro-;2-Methyl-5-nitrobenzenesulfonic acid;p-Nitrotoluene-o-sulfonic acid;PNTOS;4-Nitro-2-toluenesulfonic acid;5-Nitro-o-toluenesulfonic acid;5-Nitro-2-methylbenzenesulfonic acid;NSC 9580
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CAS No:
Description
4-nitrotoluene-2-sulfonic acid is the arenesulfonic acid that is toluene-2-sulfonic acid bearing a nitro substituent at C-4. It is an arenesulfonic acid and a C-nitro compound.
2-Methyl-5-nitrobenzenesulfonic acid Basic Attributes
217.2
217.20
204-445-3
JBO1Z0PMOH
9580
DTXSID4026975
PRISMS OR PLATES FROM WATER
2904909090
Characteristics
108.57000
1.15
1.5±0.1 g/cm3
133.5 °C
500ºC
1.596
VERY SOL IN WATER, ALCOHOL, ETHER, CHLOROFORM
Safety Information
8
3261
34-41-43-36-22
26-36/37/39-39-36/37
DB7175000
Xn
P260, P264, P270, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P363, P405, P501
H302
|Danger|H302 (82.82%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P261, P264, P270, P272, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P332+P313, P333+P313, P362, P363, P405, and P501|Aggregated GHS information provided by 229 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H302: Harmful if swallowed [Warning Acute toxicity, oral]|P260, P264, P270, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P363, P405, and P501
2-Methyl-5-nitrobenzenesulfonic acid Use and Manufacturing
Derived from p-nitrotoluene sulfonation. Inhale the molten p-nitrotoluene into a glass-lined reaction pot, add 980kg 20% fuming sulfuric acid, and control the temperature not to exceed 90°C. After the addition, the temperature is increased to 105-110°C and kept for 1 hour. After the reaction is completed, it is cooled to 70°C and diluted with water. Stir at below 100°C for 30min, cool to 25°C, adjust the acidity and filter. The filter cake is 2-methyl-5-nitrobenzenesulfonic acid.
This product is an optical brightener and dye intermediate.
Intermediates
Synthetic dye and pigment manufacturing|Benzenesulfonic acid, 2-methyl-5-nitro-: ACTIVE
Computed Properties
Molecular Weight:217.20
XLogP3:0.9
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:1
Exact Mass:217.00449350
Monoisotopic Mass:217.00449350
Topological Polar Surface Area:109
Heavy Atom Count:14
Complexity:314
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Recommended Suppliers of 2-Methyl-5-nitrobenzenesulfonic acid
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Business licensedTrader Supplier of API,Antibiotics,Anti cancer categoryInquiryUnit Price: $50 /MT EXWCAS No.: 121-03-9Grade: Pharmaceutical GradeContent: 99%
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2-Methyl-5-nitrobenzenesulfonic acid
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