T/CRIAC 0118-2026 Active Group standards

T/CRIAC 0118-2026 Chemical reagent—N,N-Dimethylformamide 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 0118-2026

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, and packaging and marking of N,N-dimethylformamide, a reagent used in spectral analysis of chemical reagents. This document is applicable to the inspection of N,N-dimethylformamide, a reagent used in spectral analysis of chemical reagents. Molecular formula: C3H7NO Molecular weight: 73.09 (based on the 2022 International Atomic Weight Table) CAS No.: 68-12-2 Name Specifications Content (C3H7NO), w/ % ≥99.8 Colorimetry/Black's number ≤10 Evaporation residue, w/ % ≤0.005 Water content (H2O), w/ % ≤0.1 Acidity (calculated as H+), b/(mmol/g) ≤0.0005 Alkalinity (calculated as OH-), b/(mmol/g) ≤0.003 Fluorescent trace impurities (calculated as C20H24N2O2) Excitation wavelength (365 nm), μg/L ≤1 Absorbance A1 (270 nm) ≤1.00 A2 (275 nm) ≤0.30 A3 (295 nm) ≤0.10 A4 (310 nm) ≤0.05 A5 (330 nm) ≤0.01 A6 (400 nm) ≤0.01 Infrared spectroscopy Passed