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CAS RN: 3618-58-4 | Product Number: E0226

Eriochrome Black A

  • Chrome Black A
3   9  

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Product Number E0226
Molecular Formula / Molecular Weight C__2__0H__1__2N__3NaO__7S = 461.38  
Physical State (20 deg.C) Solid
CAS RN 3618-58-4
Reaxys Registry Number 9463573
PubChem Substance ID 87569508
Colour Index 15710
MDL Number


Appearance Red to Dark blue to Black powder to crystal
Lambda max. 518.0 to 522.0 nm(Hydroxylamine HCl(0.1%) MeOH sol)
Absorbance(E1%1cm) min. 175(Hydroxylamine HCl(1%) MeOH sol 518.0 to 522.0 nm)
Drying loss max. 8.0 %
Properties (reference)
Maximum Absorption Wavelength 520(NH2OH.HCl(0.1%)-MeOH sol.) nm
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
EC Number 222-807-9
Transport Information:
HS Number 3204120090
PubMed Literature

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