Chemical Intermediates

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Product name
CAS
Formula

Di-n-butylmaleate (DBM)

CAS105-76-0
FormulaC12H20O4
SynonymDBM, 2-Butenedioic acid (2Z)-, 1,4-dibutyl ester, Dibutyl maleate
Boiling Point280 ºC
Melting Point-85 ºC
AssayMin. 98.0% (GC area)
Flash Point121 ºC
IR spectrumConform with ref. spectrum
Density0.991 - 0.998 g/cm3 @ 20ºC
DescriptionClear liquid
ColorMax. 30 APHA
Insolubilityin water
Refractive Index1.4540-1.4561
Molecular weight228.29
Solubilitymany org. solvs.

Di-n-butylfumarate (DBF)

CAS105-75-9
FormulaC12H20O4
SynonymDBF, 2-Butenedioic acid (2E)-, 1,4-dibutyl ester
Density0.9873 (20 c)
AssayMin. 98.0% (GC area)
IR spectrumConform with ref. spectrum
ColorMax. 80 APHA
Boiling Point270 ºC
Melting PointLess than -22 ºC
Flash Point144 ºC
Ignition255 ºC
DescriptionClear liquid
Refractive Index1.445 - 1.447 (nD20)
Insolubilityin water
Odorchar. odor
Molecular weight228.32
Solubilitymany org. solvs.

p-Chloro Thiophenol

CAS106-54-7
FormulaC6H5ClS
Synonympara-Chlorothiophenol, Benzenethiol-p-chloro, Benzenethiol, 4-chloro-
Boiling Point205-207 c
Melting Point51 c
Molecular weight144.62

Sodium Benzenesulphonate

CAS515-42-4
FormulaC6H5O3NaS
SynonymBenzenesulphonic Acid Sodium Salt, Benzenesulfonic acid, sodium salt (1:1)
Molecular weight180.16

Sodium p-Chloro Benzenesulfonate

CAS5138-90-9
FormulaC76H4ClNaO3S
Synonym4-Chloro Benzenesulphonic Acid Sodium Salt, Benzenesulfonic acid, 4-chloro-, sodium salt (1:1)

Methyl Para-Toluenesulfonate

CAS80-48-8
FormulaC8H10O3S
SynonymMethyl ester of para-Toluenesulphonic acid, Benzenesulfonic acid, 4-methyl-, methyl ester
Boiling Point292 c
Insolubilityin hot and cold water
Melting Point28 c
Molecular weight186.23
Flash Point(cc) 152 c
Specific gravity1.23
Solubilitydiethyl ether.

Phenol Sulfonic Acid

CAS98-67-9
FormulaC6H6O4S
Synonymp-hydroxybenzenesulfonic Acid, Sulfocarbolic Acid, Benzenesulfonic acid, 4-hydroxy-
Density1.337
Refractive Index1.4890
Molecular weight174.18

Sodium Vinyl Sulfonate

CAS3039-83-6
FormulaCH2 = CH2-SO3Na
SynonymVinyl Sulfonic Acid, Sodium Salt/Sodium Vinyl Sulfonate, Ethenesulfonic acid, sodium salt (1:1)
Density1.176
Refractive Index1.3760
Molecular weight130.09

Benzene Sulfonic Acid

CAS98-11-3
FormulaC6H6O3S
SynonymPhenylsulfonic Acid, Besylic Acid, Benzenesulfonic acid

Benzene Sulfonyl Chloride

CAS98-09-9
FormulaC6H5SO2CI
SynonymBenzenesulfone chloride, Benzesulfonic acid Chloride, Benzenesulfonyl chloride

Isobutylene

CAS110597-10-9
Formulaiso-C4H8
Synonym-

Methanol

CAS67-56-1
FormulaCH3OH; MeOH
SynonymCarbinol, Colonial spirit, Columbian spirits, Methanol, Methyl hydrate Methyl hydroxide, Methylol, Monohydroxymethane, Pyroxylic spirit, Wood alcohol Wood naphtha, Wood spirit, Methanol, Methanol
Boiling Point64.5 c
Density0.7924
Surface Tension22.3 dynescm
Dielectric Constant32.66
Auto/Self Ignition Temperaturetemp. 385 c
Odoralcoholic odor (pure), pungent odor (crude)
Vapor Pressure127 mm hg
Melting Point-97.8 c
Refractive Index1.3292 (20 c)
Molecular weight32.05
Colorclear colorless liquid
Flash Pointcc) 6 c
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