GB/T 1646-2012 (English Version) 2-Naphthol

Standard No.: GB/T 1646-2012
Language: Chinese, Available in English version
Release Date: 2012
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2021-10
Replace By: GB/T 1646-2020
Latest: GB/T 1646-2020
Replace: GB/T 1646-2003

Scope: WARNING—Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. Scope: This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of 2-naphthol. This standard applies to the product quality control of 2-naphthol. Structural formula, molecular formula: (abbreviated) Relative molecular mass: 144.17 (according to the international relative atomic mass in 2007) CAS RN: 135-19-3

GB/T 1646-2012 Referenced Document

GB/T 2386-2006 Dyestuffs and intermediate of dyes.Determination of moisture
GB/T 6678-2003 General principles for sampling chemical products
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 9722-2006 Chemical reagent.General rules for the gas chromatography