应用
4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, is used to improve the visualization of trichothecenes on developed TLC plates. It serves as an intermediate in the production of dyes, pigments, chelating reagents, sulfonic and sulfinic acids.

Grade Specifications
Requirements: Solution P.T., Appearance: Off-white to buff-colored, Sensitivity to nitrate P.T., Sensitivity to formaldehyde P.T.

备注
Light sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, strong acids, acid chlorides and acid anhydrides.

基本信息

MDL
MFCD00150612

EINECS
204-972-9

分子式
C₁₀H₆Na₂O₈S₂?2H₂O

分子量
400.29 (364.26anhy)

熔点
>300°

灵敏度
Ambient temperatures.

形态
Off-White to Buff-Colored Powder

溶解性
Soluble in water.

Beilstein
3647189

Merck
14,2241

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste

TSCA
是