T/CRIAC 0121-2026 Active Group standards

T/CRIAC 0121-2026 Chemical reagent—Ethyl acetate for spectroscopy analysis

Publish Date: 2026-01-06 Implement Date: 2026-01-26 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CRIAC 0121-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Chemical reagents

Publish Date: 2026-01-06

Implement Date: 2026-01-26

Scope

This document specifies the properties, specifications, test methods, inspection rules, packaging, and marking of ethyl acetate, a reagent used in spectral analysis of chemical reagents. This document is applicable to the inspection of ethyl acetate, a reagent used in spectral analysis of chemical reagents. Molecular formula: C4H8O2 Molecular weight: 88.11 (based on the 2022 International Atomic Weight Table) CAS No.: 141-78-6 Name Specification Content (C4H8O2), w/% ≥99.5 Colorimetry/Hazen units ≤10 Evaporative residue, w/% ≤0.0005 Water content (H2O), w/% ≤0.05 Acidity (calculated as H+), b/(mmol/g) ≤0.0008 Alkalinity (calculated as OH-), b/(mmol/g) ≤0.0008 Fluorescent trace impurities (calculated as C20H24N2O2) Excitation wavelength (254 nm), μg/L ≤2 Excitation wavelength (365 nm), μg/L ≤1 Absorbance A1 (255 nm) ≤1.00 A2 (260 nm) ≤0.15 A3 (263 nm) ≤0.10 A4 (275 nm) ≤0.05 A5 (325 nm) ≤0.01 Infrared spectroscopy Pass