PTSA p-Toluenesulfonic acid monohydrate CAS 6192-52-5 In stock CAS NO.6192-52-5

ptsa p-toluenesulfonic acid monohydrate cas 6192-52-5 in stock

p-toluene sulfonic acid
alias:methylbenzenesulfonic acid; toluenesulfonic acid; tosic acid; p-toluene sulfonic acid; p-toluene sulphonic acid; para toluene sulfonic acid; para toluene sulphonic acid; paratoluene sulphonic acid; pts acid; 4-methylbenzenesulfonic acid; paratolune sulfonic acid
cas #:104-15-4,6192-52-5
molecular formula:c7h8o3s·h2o
molecular weight:190.2; 172.20

un code:2585
commodity code :2904100000（hs-code）
density: 1.34g/cm³
water solubility: soluble
physico-chemical property ：
appearance:colorless crystal
melting point:102-105℃
boiling point:140℃
solubility:easily soluble in ethyl alcohol and diethyl ether;lightly soluble in water and hot benzene
product uses:
medicine used in the synthesis of doxycycline (hydrogen,. yi doxycycline and lynn doxycycline etc.), dipyridamole, amoxicillin, cephalosporins hydroxylamine benzyl d860 pharmaceutical intermediates and other important raw materials;widely used in organic chemical industry.in acrylate, textile auxiliaries, photographic film, polymerization of stabilizer and organic synthesis catalyst (esters);in resin, paint, man-made board, casting, paint and other industries are widely used as curing agent, and fixed speed, the film does not change color;is also a synthetic ethoxy quinoline important raw materials.also widely used in pesticide synthesis industry (dicofol) chloramine t, paint;cli acid, etc.

item/index	industrial grade	medical grade	refined grade	reagent grade
total acidity ≥%(sulfonic acid)	93.0	95.0	97.0	99.0
free acid ≤%	3.0	2.0	0.7	0.1
moisture(not includingcrystal water )≤%	4.0	3.0	2.3	0.9
fe++ ≤ppm	50	30	20	10
ignition residue ≤%	/	0.2	0.2	0.02
melting point(oc)	/	/	/	102-105
ethanol solubility expenriment	qualified	qualified	qualified	qualified
water solubility expenriment	qualified	qualified	qualified	qualified

packaing:in plastic woven bag lined with plastic film for industrial,medical and refined degree,25kg/bag;round fiber can lined with plastic film for reagent degree,25kg/drum;or on requirements.

name		p-toluenesulfonic acid monohydrate
synonyms		toluene-4-sulfonic acid monohydrate; 4-methylbenzenesulfonic acid monohydrate; ptsa
molecular structure
molecular formula		c7h8o3s.h2o
molecular weight		190.21
cas registry number		6192-52-5
properties
melting point		103-106 ºc
flash point		180 ºc
water solubility		soluble

chemwill asia co.,ltd is one of the leading manufacturer in china.

our main production base is located in xuzhou industry park. we produce a wide range of organics including basic chemicals , fine chemicals, active pharmaceutical ingredients(apis), veterinary, indole derivatives, aromatics, fluorine, boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. we are certified both to the iso 9001 and iso 14001 standards, have a safety management system in place.

our r&d team masters core technology for process-design of target building block as well as tailor-made fine chemicals. our manufactory specialised in extreme temperature conditions (-100ºc to +300ºc), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, mitsunobu reactions, enantioselective reactions and asymmetric synthesis.

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