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Biotech, chemical, petrochemical & pharmaceutical - HiQ® Specialty ...

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HiQ ® specialty gas program – <strong>Biotech</strong>, <strong>chemical</strong>, petro<strong>chemical</strong> & <strong>pharmaceutical</strong><br />

Process<br />

difluoromethane<br />

Chemical difluoromethane (R 32) 3.0<br />

CH 2 F 2<br />

CAS: 75105<br />

UN: 3252<br />

General<br />

Filling pressure at 15 °C : 2.9 bar(a)<br />

Material recommendations: Steel cylinder<br />

Brass valve<br />

2<br />

2<br />

Impurities Cyl. Content Prod. code<br />

size [kg] [lb]<br />

O 2 +N 2 ≤ 100 ppm 10 8.1 6017<br />

HCFC ≤ 1000 ppm 20 16.2<br />

H 2 O ≤ 5 ppm 50 40.5<br />

All specifications based on vaporized liquid phase.<br />

Risks<br />

Highly flammable. Toxic by inhalation. May cause cancer by<br />

inhalation.<br />

Transport<br />

ADR: Class 2, 2TF<br />

Recommended cylinder regulator<br />

Please contact Linde for advice.

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