CERTIFICATE OF QUALITY

Product:

SDS

Sodium dodecyl sulfate

Lot:

OG2106A

Code:

175583

CAS-No:

[151-21-3]

Mol. Formula:

C₁₂H₂₅NaO₄S

Mol. Weight:

288.38

Packing:

25 Kg/Drum

Assay(GC)

≥99.0%

99.5%

Active material(C12)

≥98.0%

99.2%

pH(10g/l,H₂O,20℃)

7.5~9.0

8.0

Abs (0.1%，Water)

< 0.2

0.078    (@260nm)

<0.08

0.056    (@280nm)

Loss on drying

≤1.0%

0.8%

Sodium sulfate (Na₂SO₄)

≤0.5%

0.3%

Solubility(10% water solution)

<20Klett

10

Soluble in sherwood oil

≤0.5%

0.3%

Chloride

≤0.02%

<0.005%

Phosphate

≤0.001%

Negative

Heavy metals(Pb)

≤5ppm

<5ppm

Heavy metals(Hg, As)

≤1ppm

<1ppm

Colony(CFU/g)

≤10

Complies

Mildew and yeast(CFU/g)

≤10

Complies

DNase,RNase

Not detected

Not detected

Germs

Not detected

Not detected

Appearance 

White powder

White powder