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Detail of "1787-61-7"

  • MSDS Download
  • CAS Number:
  • 1787-61-7
  • Name:

  • 1-Naphthalenesulfonicacid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-, sodium salt(1:1)

  • Superlist Name:
  • Eriochrome Black T
  • Molecular Structure:
  • Formula:
  • C20H13N3O7S. Na
  • Molecular Weight:
  • 461.38
  • Deleted CAS:
  • 162163-68-0|37371-16-7
  • Synonyms:
  • Chromogene Black ET (6CI);Acid Chrome Black ET;Acid Chrome Black Special;Acid Mordant Black T;Alizarine Chrome Black PT;DiamondBlack PT;Durochrome Black T;Eniacromo Black PA;Eriochrome Black TDW;Fast Chrome Black T;FenakromBlack ET;Kenachrome Black T;Magracrom Black A;
  • EINECS:
  • 217-250-3
  • Density:
  • 1.109 g/mL at 25 °C
  • Solubility:
  • water: 50 g/L (20 °C)
  • Appearance:
  • black powder
  • Hazard Symbols:
  • IrritantXi
  • Risk Codes:
  • 36/37/38
  • Safety:
  • 26-37/39 Details
  • Transport Information:
  • UN 1230
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CAS No.1787-61-7 Eriochrome Black T

Major Usage: used for dyeing fabrics of wool, silk, polyamide fibre and mixture fabrics; also for coloring organisms and leather.

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CAS No.1787-61-7 Eriochrome Black T

1. We supply the product ts the lowest price with the best quality. 2. We have more than 10 years exporting experience 3. our products enjoy great popularity in the world market.

RMB:24-25 /Kilogram

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

Platinum
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CAS No.1787-61-7 Eriochrome Black T

CAS No:1787-61-7 Eriochrome Black T 1. We supply the product ts the lowest price with the best quality. 2. We have more than 10 years exporting experience 3. our products enjoy great popularity ,jenna

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CAS No.1787-61-7 Eriochrome Black T

Eriochrome Black T, Reagent, ACS

Supplier:Spectrum China Ltd. [ China (Mainland)]

Platinum
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CAS No.1787-61-7 Eriochrome Black T

Supplier:Afine Chemicals Limited [ China (Mainland)]

Platinum
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CAS No.1787-61-7 Eriochrome Black T

Product name：Eriochrome Black T CAS number :1787-61-7 MF: C20H12N3NaO7S MW: 416.38 Water soluble test：qualified Ethanol soluble test: qualified Sensitive test: qualified Residue on ignition（as sulfate）: 20%max

Supplier:Wuhan Kemi-Works Chemical Co., Ltd [ China (Mainland)]

Gold
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CAS No.1787-61-7 Eriochrome Black T

Assay:99%  Appearance:brown black ...  Application:general reag...

1.Name:Eriochrome Black T 2.MF: C20H12N3NaO7S 3.Competitive price and good quaity

Min. Order:5Metric Ton USD:3500-4700 /Metric Ton

Supplier:Shenyang Jiutongyuan Chemicals Co., Ltd. [ China (Mainland)]

1525Integral
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CAS No.1787-61-7 Eriochrome Black T

Name:Eriochrome black T CAS NO ：1787-61-7 MF：C20H12N3NaO7S MW：461.38 APPEARANCE :BLACK POWDER

Min. Order:1Kilogram USD:0.10-1.00 /Kilogram

Supplier:Guangzhou Fischer Chemical Co., Ltd [ China (Mainland)]

97Integral
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CAS No.1787-61-7 Eriochrome Black T

Excellent performance of our Mordant black T: First, high solubility filtrate to reach 40g/l, only needs 6 seconds. Second, high purity, less outgrowth, 150% high strength, ( at present market the highest strength is 135%), insolubles less than 0.5%. Third, tiny grain of

Supplier:Dandong Fuda Chemicals & Dyestuffs Co., Ltd. [ China (Mainland)]

61Integral
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CAS No.1787-61-7 Eriochrome Black T

Eriochrome Black T

Supplier:Gsp Chemical Industries [ India]

175Integral
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CAS No.1787-61-7 Eriochrome Black T

WOOL

Supplier:Remik Eashan Chemicals Pvt. Ltd [ India]

365Integral
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CAS No.1787-61-7 Eriochrome Black T

ERIOCHROME BLACK T

Supplier:NILE CHEMICALS [ India]

620Integral
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CAS No.1787-61-7 Eriochrome Black T

Eriochrome Black T

Supplier:Frapp's Pharma(HK) Co.,Ltd [ Hong Kong]

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CAS No.1787-61-7 Eriochrome Black T

ACS/USP

Supplier:Lab Express [ United States]

480Integral
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CAS No.1787-61-7 Eriochrome Black T

Molecular Formula: C20H12N3NaO7S Formula Weight: 461.38

Supplier:Reagents, Inc. [ United States]

182Integral
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CAS No.1787-61-7 Eriochrome Black T

ERIOCHROME BLACK T

Supplier:Kiriya Chemical Co., LTD. [ Japan]

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CAS No.1787-61-7 Eriochrome Black T

Mordant Black 11

Supplier:Dudley Chemical Corp. [ United States]

480Integral
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CAS No.1787-61-7 Eriochrome Black T

more information,please contact us

Supplier:Ibis Chemie International [ India]

550Integral
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Address:211 Dalamal Chambers, New Marine Lines, Mumbai 400 020, India.

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CAS No.1787-61-7 Eriochrome Black T

ERIOCHROME BLACK T

Supplier:AppliChem GmbH [ Germany]

610Integral
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CAS No.1787-61-7 Eriochrome Black T

more details? Pleasae contact us

Supplier:Yamada Chemical Co., Ltd. [ Japan]

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CAS No.1787-61-7 Eriochrome Black T

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CAS No.1787-61-7 Eriochrome Black T

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CAS No.1787-61-7 Eriochrome Black T

Supplier:QUALIKEMS FINE CHEMICALS PVT. LTD [ India]

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CAS No.1787-61-7 Eriochrome Black T

Supplier:Edutek Instrumentation [ India]

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CAS No.1787-61-7 Eriochrome Black T

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CAS No.1787-61-7 Eriochrome Black T

Supplier:J.T. Baker-A Division of Mallinckrodt Baker, Inc. [ United States]

600Integral
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CAS No.1787-61-7 Eriochrome Black T

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CAS No.1787-61-7 Eriochrome Black T

Supplier:Avonchem/Chromos Express Ltd. [ United Kingdom]

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Supplier:Naugra Export [ India]

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CAS No.1787-61-7 Eriochrome Black T

Supplier:Metrochem Industries Ltd [ India]

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CAS No.1787-61-7 Eriochrome Black T

Supplier:Otto Chemie pvt ltd [ India]

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CAS No.1787-61-7 Eriochrome Black T

Supplier:ADVANCED TECH. & IND. CO., LTD. [ Hong Kong]

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Address:UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG

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Reference

Determination of azo dyes by resonance-enhanced Raman spectroscopy
Determination of azo dyes by resonance-enhanced Raman spectroscopy. Womack, James D.; Vickers, Thomas J.; Mann, Charles K. (Dep. Chem., Florida State Univ., Tallahassee, FL 32306-3006, USA). Appl. Spectrosc., 41(1), 117-19 (English) 1987. CODEN: APSPA4. ISSN: 0003-7028. DOCUMENT TYPE: Journal CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) An examn. of the feasibility of using Raman spectroscopy to det. strongly absorbing solutes is made, with the use of the azo dyes Eriochrome Blue SE (I) [1058-92-0], Eriochrome Black T (II) [1787-61-7], and Eriochrome Blue Black B (III) [3564-14-5] as target compds. These compds. are representative of the large class of dyes not easily detd. because of their low volatility. They also are examples of compds. which absorb strongly, causing pronounced nonlinear behavior when attempts are made to use resonance-enhanced bands to improve anal. limits of detection, and which produce intense fluorescence which interferes with Raman bands when the strong 514-nm band of the argon-ion laser is used for excitation. The efficacy of internal std. correction for eliminating the effects of self-reversal and variation in intensity of the exciting beam is demonstrated. Limits of detection for I, II, and III are 99 ppb, 340 ppb, and 1.5 ppm, resp.
Spectrophotometric determination of nylidrin hydrochloride in pharmaceutical preparations
Spectrophotometric determination of nylidrin hydrochloride in pharmaceutical preparations. Sane, R. T.; Gore, N. N.; Sapre, D. S.; Ozankar, S. G. (Ramnarain Ruia Coll., Bombay 400 019, India). Indian Drugs, 23(10), 569-72 (English) 1986. CODEN: INDRBA. ISSN: 0019-462X. DOCUMENT TYPE: Journal CA Section: 64 (Pharmaceutical Analysis) Nylidrin (I) [447-41-6] was detd. in pharmaceuticals by a simple ion-pair extn. technique with acid dyes such as Bromothymol Blue [76-59-5], Bromophenol Blue [115-39-9], Bromocresol Green [76-60-8], Solochrome Dark Blue [2538-85-4] or Solochrome Black T [1787-61-7] and measurement of the absorbances of the ion-pair complexes at 420 or 520 nm. The relative std. deviation varied from 1.4 to 3.124%, the recovery was 99.68-101.41% and Beer's law was obeyed in the range 2-12 or 4-20 mg/mL. The method is simple, fast and sensitive and does not suffer interference from excipients used.
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