T/CRIAC 0119-2026 Active Group standards

T/CRIAC 0119-2026 Chemical reagent—tert-Butyl methyl ether 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

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/CRIAC 0119-2026

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 characteristics, specifications, test methods, inspection rules, and packaging and marking of methyl tert-butyl ether, a reagent used in the spectral analysis of chemical reagents. This document is applicable to the inspection of methyl tert-butyl ether, a reagent used in the spectral analysis of chemical reagents. Molecular formula: C5H12O Molecular weight: 88.15 (based on the 2022 International Atomic Weight Table) CAS number: 1634-04-4 Name Specification Content (C5H12O), w/% ≥99.0 Colorimetry/Hazen units ≤10 Evaporation residue, w/% ≤0.001 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 ≤1 Excitation wavelength (365 nm), μg/L ≤1 Absorbance A1 (210 nm) ≤1.00 A2 (225 nm) ≤0.50 A3 (250 nm) ≤0.10 A4 (260 nm) ≤0.08 A5 (280 nm) ≤0.01 A6 (350 nm) ≤0.01 Infrared spectrum Passed