SPADNS
Names
[ CAS No. ]:
23647-14-5
[ Name ]:
SPADNS
[Synonym ]:
Trisodium 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonate Hydrate
SULFANILIC ACID AZOCHROMOTROPE
SpadnsGr
4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic Acid Trisodium Salt Hydrate
1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic Acid Trisodium Salt Hydrate
EINECS 245-803-9
Sulfanilic acid azochromtrop
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid,trisodium salt,indicator grade
2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid
Sulfanilic acid azochromotrop
TrisodiuM 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate Hydrate
2,7-naphthalenedisulfonic
SULFANILIC ACID-AZOCHROMOTROP
MFCD00003952
Chemical & Physical Properties
[ Melting Point ]:
>300ºC
[ Molecular Formula ]:
C16H9N2Na3O11S3
[ Molecular Weight ]:
570.41400
[ Exact Mass ]:
569.90600
[ PSA ]:
261.92000
[ LogP ]:
4.62110
[ Storage condition ]:
Store at +15°C to +25°C.
[ Water Solubility ]:
220g/l
MSDS
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H319-H335
[ Precautionary Statements ]:
P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S24/25
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3