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Metacresol USP/Ph.Eur 1LT
97505LC100156297113JO
USP/Ph.Eur1562971
108-39-423862
CH3C6H4OHOctober 2015
108.14September 2018
Sr.No.TestResultSpecification
1DescriptionColourless, highly refrective liquid, becoming darker with age and on exposure to light. saturated solution of it is slightly acid to litmus.Colourless or yellowish to brownish-yellow or pinkish, highly refrective liquid, becoming darker with age and on exposure to light. A saturated solution of it is neutral or slightly acid to litmus.
2SolubilityCompliesSparingly soluble in water, usually forming a cloudy solution; dissolves in solutions of fixed alkali hydroxides. Miscible with alcohol, ether, glycerine and methylene chloride. (USP/Ph.Eur)
3Identification A (By IR)CompliesTo comply the test. (USP/Ph.Eur)
4Identification B (By GC Chromatogram)CompliesThe retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. (USP)
5Assay (By GC)99.12%98.0% - 102.0% (USP)
6Relative density1.031About 1.03 (Ph.Eur)
7Melting point11°CAbout 11 °C (Ph.Eur)
8Boiling point204°CAbout 202 °C (Ph.Eur)
9Appearance of SolutionCompliesFreshly prepared solution S is not more opalescent than reference suspension III and not more intensely coloured than reference solution BY7. (Ph.Eur)
10AcidityCompliesNot more than 0.5ml of 0.01 M sodium hydroxide is required to change the colour of the indicator to yellow. (Ph.Eur)
11Organic Imupurities (Orthocresol)Not detectedNot more than 0.5% (USP/Ph.Eur)
12Organic Imupurities (Paracresol)0.48%Not more than 0.5% (USP/Ph.Eur)
13Organic Imupurities (Any unspecified impurity)0.07%Not more than 0.1% (USP/Ph.Eur)
14Organic Imupurities (Total impurities)0.6%Not more than 1.0% (USP/Ph.Eur)
15Clarity of Solution A (By Chemical Test)CompliesA clear solution is obtained. (USP)
16Clarity of Solution B (By Chemical Test)CompliesA clear solution is obtained. (USP)
17Residue on evaporation0.005%0.1% max
Remarks: THE CAPTIONED BATCH MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF THE ABOVE SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
Tested By
(Chemist - Quality Control)
Approved By
(Head - Quality Control)
Computer Generated Report - Does not require Signature.
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