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IS 14137 (1994): Cetyl Alcohol for Cosmetic Industry [PCD 19: Cosmetics]

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IS 14137 (1994): Cetyl Alcohol for Cosmetic Industry [PCD 19: Cosmetics] इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान का अधकार, जी का अधकार” “परा को छोड न 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 14137 (1994): Cetyl Alcohol for Cosmetic Industry [PCD 19: Cosmetics] “ान $ एक न भारत का नमण” Satyanarayan Gangaram Pitroda “Invent a New India Using Knowledge” “ान एक ऐसा खजाना > जो कभी चराया नह जा सकताह ै”ै Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 14137:1994 Indian Standard CETYL ALCOHOL FOR COSMETIC INDUSTRY- SPECIFICATION UDC 665’58 [ 547’288’19 ] tQ BIS 1994 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 Price Group 3 November 1994 Cosmetics Sectional Committee, PCD 19 FOREWORD This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Cosmetics Sectional Committee, had been approved by the Petroleum, Coal and Related Products Division Council. Cetyl alcohol is a white unctuous mixture of solid alcohols consisting chiefly of n-hexadecanol. It is soluble in ethanol, ether, chloroform and toluene and insoluble in water. It conforms to the formula: CHs ( CH2 ) lKH,OH Cetyl alcohol is an important ingredient in cosmetic products like creams, lotions, etc. either as such or after ethoxylation. It is obtained by high pressure hydrogenation of palmitic acid. In certain cosmetic products, a mixture of cetyl alcohol and stearyl alcohol gives better properties than pure cetyl alcohol. Cetearyl alcohol, a mixture of cetyl and stearyl alcohols. is an odourless, white, waxy solid which is soluble in diethyl ether, benzene and chloroform. It is slightly soluble in petroleum ether, ethanol and acetone and is insoluble in water. This standard provides specifications for pure cetyl alcohol, whereas requirement for cetearyl alcohol ( mixture of cetyl and stearyl alcohols ) are given for information only. This standard is essentially based on Cosmetic, Toiletries Fragrance Association ( CTFA ) Specification For Cetyl alcohol and Cetearyl alcohol. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test, shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (.revised )‘. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. - . _- “. _ _.. ,_“._. .‘_‘~II IS 14137: 1994 Indian Standard CETYLALCOHOL FOR COSMETIC INDUSTRY- SPECIFICATION 3.2 The material shall comply with the requirements 1 SCOPE . given in Table 1. This standard prescribes the requirements and methods of sampling and test for cetyl alcohol. The requirements for cetearyl alcohol (mixture of cetyl Table 1 Requirements for Cetyl Alcohol for and stearyl alcohols) are given in Table 2 for guidance Cosmetic Industry only. (Clauses 3.2, 6 and A-10.3.3) 2 REFERENCES SI Characteristic Requirenwt Method of The followinrr Indian Standards are necessary adjuncts NO. TCSl to this standird: (1) (2) (3) (4) IS No. Title 9 Appearance Solid - 264 : 1976 Nitric acid (second re~isioti) flakes or lumps 265 : 1987 Hydrochloric acid (second re~i.~io~) 286 : 1978 Methods of sampling and tests ii) COIOW As agreed to between A-l for soaps (second revision) the buyer mid the seller 1070 : 1992 Reagent grade water - iii) Iiydroxyl value A-2 Specification (third revision) iv) Acid value, Max A-3 2088 : 1988 Methods for determination of arsenic urst revision) A-4 2362 : 1973 Determination of water by the Karl Fischer’s method Y;rst revision) 3958 : 19s4 Methods of sampling cosmetics vi) Iodine value, Mm (‘lause 7 of (Jrst revision) IS ‘86 : 1978 4707 Classification of cosmetic raw A-5 materials and adjuncts vii) Moisture. percent by mass. Mm (Part 1) : 1988 Dyes, colour and pigments (J7rst revision) viii) Hydrocarbon, percent A-6 (Part 2) : 1993 List of raw materials generally by mass, MN\. not’ recognized as safe for use in cosmetics (first revision) A-7 Thr above mentioned standards contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the cd&ions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are rncouragcd to investigate the possibility of applying the most recent editions of the standards indicated above. A-K 3 REQUIREMENTS A-Y 3.1 Ikscription A-10 Cetyl alcohol shall be straight chain even numbered saturated alcohol containing predominantly C,, alcohol or a mixture of C and C alcohols. The material xiii) lieavy meinls, :IS lead A-II shall be solid eithe:in a flake form or in lump form. (Ph). ppm, MNV It shall be free from visible impurities. 1 IS 14137 : 1994 Table 2 Requirements for Cetearyl Alcohol for 4 PACKING AND MARKING Cosmetic Industry 4.1 Packing ( Clause 1 ) The material shall be packed in suitable well closed SI Charscteristic Requirement Method of containers as agreed to between the buyer and the No. Test seller. (1) (2) (3) (4) 4.2 Marking The containers shall be legibly marked with the - 9 Appearance Solid following information: flakes game of the material; or lumps Indication of the source of manufacture; ii) Colour As agreed lo between A-l Net mass of the material; the buyer and the seller Batch number in code or otherwise, to enable the lot of manufacture to be traced back from iii) Hydroxyl value 200-220 A-2 records; and Any other requirement as required by statutory iv) Acid value, Mar 1.0 A-3 authorities. Saponification value, 3.0 A-4 v) 4.3 BIS Certification Marking MRY The product may also be marked with Standard Mark. vi) Iodine value, Mar 3.0 Clause 17 of 1s 286 : 1978 4.3.1 The use of the Standard Mark is governed by the provisions of Bureau of Indian Standards Act, Moisture, percent by 0.2 A-5 vii) 1986 and the Rules and Regulations made thereunder. mass, Mar The details of conditions under which the licence for viii) Hydrocarbon, percent 1.5 A-6 the use of Standard Mark may be granted to by mass, Mar manufacturers or producers may be obtained from the Bureau of Indian Standards. ix) Assay by GC, percenr by 90 A-7 mass, Mi~z, with following break-up 5 SAMPLING 5.1 Representative samples of the material shall be c,, 0 to 3 : C,, 40 to 60 drawn as prescribed in IS 3958 1984. C,* 40 to 60 5.2 Tests for sll characteristics shall be carried out on composite satnple. X) pH of 10 percent 7 to 9 A-8 suspension 5.3 The material shall be taken to have conformed to the specification if the composite sample passes xi) Melting range, “C 45 to 51 A-9 all the tests. xii) Arsenic (as As) ppm, Mow 2 A-10 6 TEST METHODS xiii) Heavy melals, as leao 20 A-11 Tests shall be conducted as prescribed in co1 (as Pb), ppm, Mnr 4 of Table 1. Reference to relevant standards is give11 in co1 4 of Table 1. ANNEX A (Clauses 3.2 and 6) A-l DETERMINATION OF COLOUR ( HAZEN ) the lens and rotate the calorimeter wheel till both . sides of calorimeter show same colour. Note down A-l.1 Apparatus the reading of calorimeter. A-1.1.1 Any Suitdde Cohrimeter A-2 DETERMINATION OF HYDROXYL VALUE A-l .1.2 Nessler Cylinders The hydroxyl value is the number of milligrams oT 2 cm internal diameter, 12 cm long with marking at potassium hydroxide equivalent to the hydroxyl content 4.7 cm. of one gram of sample. A-2.1 Reagents A-l.2 Procedure A-2.1.1 Acetylnting Reagents Fill one Nessler cylinder with water and other with fatty alcohol. Put the calorimeter wheel marked with Freshly prepared before use by mixing 25 ml of acelic No. 5, 10, 15, 20, 30, 40,50, 60 and 70. See through anhydride with 75 ml pyridinc. 2 IS 14137 : 1994 A-2.1.2 Methanol A-4 DETERMINATION OF SAPONIFICATION VALUE A-2.1.3 Isopropanol Saponification value is the number of milligrams of A-2.1.4 Alcoholic Potassium Hydroxide - 0.5 N. potassium hydroxide required to saponify 1 g of sample. A-2.2 Procedure A-4.1 Reagents Weigh 0.5 to 0.6 g of the sample into a stoppered conical flask. Add 5 ml of the freshly prepared A-4.1.1 Alcoholic Potassium Hydroxide - 0.1 N. acetylating reagent accurately by a pipette. Attach an air condenser and retlux on a steam bath for 1 hour, A-4.1.2 Hydrochloric Acid - 0.1 N, add 5 ml of distilled water through the air condenser. Reflux for a further 10 minutes. Cool to room A-4.2 Procedure temperature. Rinse the air condenser and the neck of the flask with 25 ml of a neutralized mixture of Accurately weigh about 3 to 5 g of the sample into 2 : 1 methanol : Isopropanol.
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