This standard applies to an organic dye - water-soluble nigrosin, intended for the leather and footwear industry.
GOST 4014-1975 Referenced Document
GOST 12.1.007-1976 Occupational safety standards system. Noxious substances. Classification and general safety requirements*, 1976-04-19 Update
GOST 12.4.011-1989 Occupational safety standards system. Means of protection. General requirements and classification*, 1989-04-19 Update
GOST 12.4.103-1983 Occupational safety standards system. Special protective clothes, personal means of hand and legs protections. Classification*, 1983-04-19 Update