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Sulfanilic acid

GR for analysis ACS,Reag. Ph Eur

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Synonym(s):
Sulfanilic acid, 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid
Empirical Formula (Hill Notation):
C6H7NO3S
CAS Number:
Molecular Weight:
173.19
MDL number:
EC Index Number:
204-482-5

grade

ACS reagent

Quality Level

Agency

reag. Ph. Eur.

Assay

≥99.0-102.0% (acidimetric)

form

solid

autoignition temp.

>400 °C

potency

12300 mg/kg LD50, oral (Rat)

pH

2.5 (20 °C, 10 g/L in H2O)

mp

288 °C (decomposes)

solubility

water: 10 g/L at 20 °C

density

1.485 g/cm3 at 25 °C

bulk density

620 kg/m3

anion traces

chloride (Cl-): ≤0.002%
nitrite (NO2-): ≤0.5 ppm
sulfate (SO42-): ≤0.01%

cation traces

heavy metals (as Pb): ≤0.001%

storage temp.

15-25°C

InChI

1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

InChI key

HVBSAKJJOYLTQU-UHFFFAOYSA-N

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This Item
1.0068425191786090
Sulfanilic acid GR for analysis ACS,Reag. Ph Eur

Supelco

1.00686

Sulfanilic acid

Supelco

Supelco

1.00684

Sulfanilic acid

Sulfanilic acid ACS reagent, 99%

Sigma-Aldrich

251917

Sulfanilic acid

Sulfanilic acid puriss. p.a., ≥99.0% (T)

Sigma-Aldrich

86090

Sulfanilic acid

agency

reag. Ph. Eur.

agency

-

agency

-

agency

-

assay

≥99.0-102.0% (acidimetric)

assay

-

assay

98.0-102.0% (ACS specification), 99%

assay

≥99.0% (T)

form

solid

form

solid

form

powder

form

powder or crystals

pH

2.5 (20 °C, 10 g/L in H2O)

pH

2.5 (20 °C, 10 g/L in H2O)

pH

-

pH

-

mp

288 °C (decomposes)

mp

288 °C (decomposes)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

Analysis Note

Assay (acidimetric): 99.0 - 102.0 %
Identity (IR-spectrum): passes test
Matter insoluble in sodium carbonate solution: ≤ 0.01 %
Chloride (Cl): ≤ 0.002 %
Nitrite (NO₂): ≤ 0.5 ppm
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
Sulfated ash: ≤ 0.01 %

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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