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Key Documents

8.00691

Sigma-Aldrich

5-Sulfosalicylic acid dihydrate

for synthesis

Synonym(s):

5-Sulfosalicylic acid dihydrate, Salicylsulfonic acid

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About This Item

Empirical Formula (Hill Notation):
C7H6O6S · 2H2O
CAS Number:
5965-83-3
Molecular Weight:
254.21
MDL number:
MFCD00149540
UNSPSC Code:
12352106
EC Index Number:
202-555-6
NACRES:
NA.22

vapor pressure

<1 hPa ( 20 °C)

Quality Level

200

assay

≥99.0% (acidimetric)

form

crystals

potency

1850 mg/kg LD50, oral (Rat)

pH

<0.5 (20 °C, 200 g/L in H2O)

mp

109-117 °C (anhydrous substance)

transition temp

flash point 150 °C

solubility

soluble 987 g/L

density

0.8 g/cm3 at 20 °C

bulk density

310 kg/m3

storage temp.

2-30°C

InChI

1S/C7H6O6S.2CH4/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10;;/h1-3,8H,(H,9,10)(H,11,12,13);2*1H4

InChI key

NFYHZVWMQHQKRU-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 99,0 %(m)
Heavy metals (as Pb): ≤ 0,001 %(m)
Identity (IR): conforms

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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