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3737-95-9

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3737-95-9 Usage

Chemical Properties

dark violet powder

Uses

Calconcarboxylic acid is used as an indicator for calcium titrations with ethylenediaminetetraacetic acid (EDTA) in the presence of magnesium.

Purification Methods

Purify it via its p-toluidinium salt, viz: dissolve the dye in warm 20% aqueous MeOH, treat with an equivalent of p-toluidine and cool to precipitate the salt. Finally recrystallise the acid from hot water. [Itoh & Ueno Analyst (London) 95 583 1970.] It is an indicator and complexes with Ca2+ in presence of Mg2+ and other metal ions [Patton & Reeder Anal Chem 28 1026 1956, Prentoe & Prentoe Analyst 106 227 1981].

Check Digit Verification of cas no

The CAS Registry Mumber 3737-95-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,3 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3737-95:
(6*3)+(5*7)+(4*3)+(3*7)+(2*9)+(1*5)=109
109 % 10 = 9
So 3737-95-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H14N2O7S/c24-16-10-17(31(28,29)30)13-7-3-4-8-14(13)18(16)22-23-19-12-6-2-1-5-11(12)9-15(20(19)25)21(26)27/h1-10,23,25H,(H,26,27)(H,28,29,30)/p-2

3737-95-9 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • Alfa Aesar

  • (B23459)  Calconcarboxylic acid   

  • 3737-95-9

  • 10g

  • 457.0CNY

  • Detail
  • Alfa Aesar

  • (B23459)  Calconcarboxylic acid   

  • 3737-95-9

  • 50g

  • 944.0CNY

  • Detail
  • Fluka

  • (21260)  Calconcarboxylicacid  for complexometry

  • 3737-95-9

  • 21260-1G

  • 157.95CNY

  • Detail
  • Fluka

  • (21260)  Calconcarboxylicacid  for complexometry

  • 3737-95-9

  • 21260-10G

  • 532.35CNY

  • Detail
  • Fluka

  • (21260)  Calconcarboxylicacid  for complexometry

  • 3737-95-9

  • 21260-50G

  • 1,677.78CNY

  • Detail

3737-95-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name Calconcarboxylic acid

1.2 Other means of identification

Product number -
Other names Calcon-carboxylic Acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:3737-95-9 SDS

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