Auramine Atlas of yellow can cause poisoning. Auramine Auramine O is a chemical dye pigment on wool, wool, silk, paper, leather and other substance use, although the consumption of those who do not have toxic effects immediately, but after long-term consumption will lead to the liver and kidneys disease, but also affect the development, and even lead to cancer lesions. How to identify: the color is too yellow yuba may join the Auramine. [1] Auramine - Paper and paper atlas standard Auramine Auramine O yellow uniform powder, soluble in water, soluble in water, acidified water and ethanol, at a temperature above 75 ° C (with water Total thermal) decomposition. "Papermaking" The product is easy to use, excellent performance, inexpensive, etc., is a new product designed for use in the paper industry. Auramine O Index Name Index Appearance yellow paper for uniform powder light brown yellow uniform powder Strength 100 ± 3 minutes 80 ± 3 minutes approximate shade - Micro approximation - Micro insoluble impurities content (%) ≤11.5 ≤3 moisture content % ≤3.5 ≤3.5 Fineness (over 80μ sieve residue content)% ≤5 ≤5 Auramine O paper for color: The product is a basic yellow O's crude, has not been refined, products containing black tarry insolubles , fetid odor, color with less in the fine yellow for general paper, incense making, dyeing effect egg tray approximation. Chinese name: Auramine O (paper for color) Auramine O (paper for color) Industrial production methods: N, N- dimethyl aniline and formaldehyde condensation, distillation; after crystallization refined, with sulfur; urea ammoniated and ammonium chloride, normalized derived products. Consumption of raw materials (kg, t) N, N- dimethylaniline (98%) 110 Formaldehyde (37%) 460 700 Urea sulfur (99%) of ammonium chloride 630 pairs of amino acid 350 (100%) 8 Security and labor protection measures pennant (1) engineering controls Closed system and ventilation. (2) Fire and Explosion fire and explosion prevention measures: ban on contact with combustible liquids. Fire and fire fighting methods: Use water, carbon dioxide, dry powder, appropriate foam fire extinguishing agent. (3) Storage Precautions Store in a cool, ventilated room. And oxidants. (4) Personal protective measures Inhalation Protection: Ventilation, local exhaust. Skin Protection: Wear protective gloves, protective clothing. Eye protection: Wear safety goggles. Feeding protection: Do not eat, drink or smoke. Acid Orange II (Alias: Acid Orange II, Acid Brilliant Orange GR): golden yellow powder, soluble in water and ethanol. Mainly used for direct printing wool, silk, nylon and fabric dyeing, bright color, good levelness, but poor fastness. Also used in leather, paper and bio-products, coloring, pure product can be used as food coloring, also be used as an indicator.