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Detail of "121-03-9"

  • CAS Number:
  • 121-03-9
  • Name:

  • Benzenesulfonic acid,2-methyl-5-nitro-

  • Superlist Name:
  • 2-Methyl-5-nitrobenzenesulfonic acid
  • Molecular Structure:
  • Formula:
  • C7H7NO5S
  • Molecular Weight:
  • 217.21
  • Synonyms:
  • o-Toluenesulfonicacid, 5-nitro- (6CI,7CI,8CI);4-Nitro-2-toluenesulfonic acid;5-Nitro-2-methylbenzenesulfonic acid;5-Nitro-o-toluenesulfonic acid;NSC 9580;PNTOS;p-Nitrotoluene-o-sulfonic acid;
  • EINECS:
  • 204-445-3
  • Density:
  • 1.547 g/cm3
  • Melting Point:
  • 135 °C
  • Risk Codes:
  • 34-41
  • Safety:
  • 26-36/37/39 Details
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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acidCompetitive Product

  Package:25/500 kg pp...

benzene sulfonic acid 1.Specifications 4-nitrotoluene-2-sulphonic acid CAS Number:121-03-9 Molecular Formula:C7H7NO5S Molecular Weight:217.21 2.Usage: As catalyst for dehydration, resin solidifying agent, plating additive and as dye intermediates.

Supplier:TianJin KaiFengshun Chemical Cor. Ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Molecular formula C7H11NO7S Molecular weight 253 Appearance similar to white crystal Assay ≥93% (containing 2H2O) Use Mainly used in the manufacture of intermediate of dyes Packing In 50kg woven bag or upon clients' request.

Supplier:Jiangsu First Chemical Manufacture Co., Ltd. [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:jinan tianqiu Import and Export Co.,Ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Assay:99.5%  Appearance:powder  Package:25kg/Cardboa...Storage:1-10MT

Supplier:Henan Tianfu Chemical Co., Ltd. [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

CAS Number:121-03-9 Molecular Formula:C7H7NO5S Molecular Weight:217.21 CAS Number:121-03-9 Molecular Formula:C7H7NO5S Molecular Weight:217.21

Min. Order:20Metric Ton USD:3000-4000 /Metric Ton

Supplier:shenyang jinyirong chemical Co.,Ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

4-Nitrotoluene-2-sulfonic acid; 2-Methyl-5-nitrobenzenesulfonic acid; 2-methyl-4-nitrobenzenesulfonic acid

Supplier:Tianjin Yaoyu Chemicals co.,ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

4-nitrotoluene-2-sulphonic acid CAS Number:121-03-9 Molecular Formula:C7H7NO5S Molecular Weight:217.21 4-nitrotoluene-2-sulphonic acid CAS Number:121-03-9 Molecular Formula:C7H7NO5S Molecular Weight:217.21

Supplier:Shenyang Meiyao Chemical Co., Ltd., [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Assay:98%

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:shanxi huitongda huagong [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:shenyang huashite Chemical Co.,Ltd. [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:Shijiazhuang JuSha Imp. & Exp. Co., Ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:yuyugang [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Assay:82%min  Appearance:milk white c...  Package:40kgs net po...  Application:azo dyes and...

P-Nitro Toluene-0-sulfonic Acid Specification: Moisture : 5.0%max Free acid : 15.0%max Insoluble in Alkali : 0.1%max

Supplier:jiangyin jiazhou international trade co.,ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Benzenesulfonic acid 121-03-9 Quick Details CAS No.: 121-03-9 Other Names: Benzenesulfonic acid MF: C7H7NO5S Place of Origin: Hebei China (Mainland) Type: Agrochemical Intermediates Purity: 99% Brand Name: Quan Application: Dyestuff Intermediates Appearance: light yello

USD:1135-1460 /Metric Ton

Supplier:Xi'an Centerchem Trading Co.,Ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

  Appearance:milk white c...  Package:25kg plastic...

Chemical name: p-nitrotoluene-o-sulfonic acid Structural formula: ????????????? Chemical formula: C7H11NO7S Molecular weight: 253 CAS NO.:121-03-9 Quality index: Item Index (1)Appearance milk white crystal (2)Assay (Gross sample)%　　 ≥ 80.0 (3)Moisture (Gross samp

USD:1.85- /Kilogram

Supplier:Luoyang Hanyi Chemical Co.,Ltd. [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Assay:80% MIN

INSOLUBILITY≤0.1%;WATER ≤5.0%;SO2-4 ≤1.0%

Supplier:orichem international ltd [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Classification: Sulfonic Acid CAS No.: 98-11-3 Other Names: Benzenesulfonic acid MF: C6H6O3S EINECS No.: 202-638-7 Place of Origin: China (Mainland) Grade Standard: Industrial Grade Purity: 60.70.93.95 or 98 ，99 Appearance: White to colorless crystal Ap

Supplier:QINHUANGDAO LONGFA CHEMICAL CO .,LTD [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

COMMERCIAL NAME: PNTSA | CHEMICAL NAME: PARA NITRO TOLUENE ORTHO SULFONIC ACID | 1-METHYL-4-NITRO BENZENE-2-SULFONIC ACID | 4-NITRO TOLUENE-2-SULFONIC ACID | EMPIRICAL FORMULA: C7H7NO5S | M.W. 217 | PURITY Wet: 80% Min | COLOR: Light Brown to Off White

Supplier:Prashant Industries [ India]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

PRODUCT NAME : P. N. T. O. S. A CHEMICAL NAME : 1-METHYL 4-NITRO BENZENE 2- SULFONIC ACID EMPIRICAL FORMULA : C7H7NO5S CAS NO. : 121-03-9 MOLECULAR WEIGHT : 217 SPECIFICATION : ASSAY: WET: 65 % MIN LIGHT BROWN COLOUR TO DULL WHITE COLOUR USE : ACID ORANGE 19 C.I

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Product Name : P.N.T.O.S.A. Chemical Name : Pera Nitro Toluene Ortho Sulphonic Acid Chemical Formula : C7H7SO5N Molecular weight : 217 Physical Appearance : White Crystal Wet Cake Solubility : Soluble In Water Purity : Min 75 % By Nitrite Value Insoluble : 0.2 %

Supplier:Shree Ram Chemicals Industries [ India]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

99%

Supplier:Jiacheng-chem Enterprises limited [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

more information,please contact us

Supplier:EMCO chemicals [ India]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Para Nitro Toluene Ortho Sulphonic Acid (Free Acid) [PNTOSA]

Supplier:Sajjan India Pvt. Ltd. [ India]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

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Supplier:Synthesia, a.s. [ Czech Republic]

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Address:Pardubice ?p. 103 532 17 Pardubice – Semtín Czech Republic

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

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Supplier:SYNTHESIA [ Czech Republic]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

4-NITROTOLUENE-2-SULFONIC ACID

Supplier:PHT International Inc. [ United States]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

C7H7NO5S

Supplier:U. H. INTERNATIONAL [ India]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:Shandong Zhaoyuan Chemical General Factory [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:SHREENATH ORGOCHEM [ India]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:tianjin diduo Chemical Co.,Ltd. [ China (Mainland)]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:ChemNexus Inc. [ United States]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:Prashant Group [ India]

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CAS No.121-03-9 2-Methyl-5-nitrobenzenesulfonic acid

Supplier:Wuxi Weikang Curative Chemical Co., Ltd. [ China (Mainland)]

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Reference

Treatment of wastewaters from the production of soluble azo dyes
Treatment of wastewaters from the production of soluble azo dyes. Nemec, Jaroslav; Sotona, Vladimir; Hajek, Ladislav; Macak, Jan; Zdarsa, Frantisek; Dohnal, Karel; Voprsal, Frantisek (Czech. ).In this study， 128-42-7 and 12269-90-8 are also used. Czech. CS 205783 B 1 Oct 1983,3 pp. (Czech). (Czechoslovakia). CODEN: CZXXA9. CLASS: IC: C02F001-00. APPLICATION: CS 79-4279 21 Jun 1979. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) Section cross-reference(s): 43, 45, 60 Wastewaters contg. sol. azo dyes, direct dyes, acid dyes, Cr-complex dyes, reactive dyes, and their intermediates are condensed at the b.p. with 4-nitrotoluene-2-sulfonic acid (I) [121-03-9] or 4,4'-dinitrostilbene-2,2'-disulfonic acid [128-42-7] at pH 9.5-13.5 to give brown sol. dyes for leather and paper, and a partly purified water. Thus, 800 mL filtrate after isolation of Saturn Navy Blue LFG [61724-72-9] was boiled with 48 g I and 100 mL 10M NaOH for 4 h, acidified to pH ~3, and salted out to obtain 150-200 g greenish-brown dye for leather and paper. .
Yellow direct dye solutions
Yellow direct dye solutions. Tanaka, Toshiki (Nippon Chemical Works Co., Ltd., Japan). Japan. Kokai JP 52057234 11 May 1977 Showa, 3 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09B067-00. APPLICATION: JP 75-132752 5 Nov 1975. DOCUMENT TYPE: Patent CA Section: 43 (Cellulose, Lignin, Paper, and Other Wood Products) Section cross-reference(s): 40 2-Methyl-5-nitrobenzenesulfonic acid [121-03-9] or C.I. Direct Yellow 11 (I) [1325-37-7], useful for coloring paper or pulp, were solubilized with urea [57-13-6], thiourea [62-56-6], or dimethylurea [1320-50-9] to give solns. with good storability. For example, 50 g I dispersed in 40 cm3 water and 10 cm3 HOCH2CH2OEt was treated with 98% H2SO4 to pH 2, LiOH to pH 6, and then N(CH2CH2OH)3 to pH 8, heated with thiourea 5, dimethylthiourea 5, and Emulgen 920 1 g to 60.degree., and filtered to give dye soln. stable >6 month at -10.degree. or +50.degree..
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