Basic information
- Name:
Diatomaceous earth
- CAS No.:
61790-53-2
- Molecular Structure:
- Formula:
- SiO2
- Molecular Weight:
- 60.08
- Deleted CAS:
- 12750-99-1,12623-98-2,81988-94-5,11139-66-5,192230-56-1,29847-98-1,37264-95-2,37328-66-8
- Synonyms:
- Kieselguhr;Sedimentary rocks, diatomaceous;Celite (diatomaceous earth);Celite Filter Cel;Celite HSC;Celite HST;CeliteHyflo Super Cel;Celite Hyflo SuperCel DE;Celite R 626;Celite Snow Floss;Celite Standard Super Cell;Celite Super Fine Super Floss;Celite Superfloss;Celite WhiteMist;Chromaton N;Chromatron N Super;Chromosorb P 100/120;Chromosorb P 60/80;Chromosorb P-NAW;Chromosorb W-NAW;Diatomaceous sedimentary rocks;Dicalite White Filler;Eagle Picher FW 60;Extube Chem-Elut CE 1020;
- EINECS:
- 212-293-4
- Density:
- 0.47 g/cm3 (loose weight)(lit.)
- Melting Point:
- 1400~1650 ºC
- Solubility:
- Water Solubility : insoluble
- Appearance:
- tan powder
- Occurrence:
- Western U.S., Europe, Algeria, the former U.S.S.R.
Famous Chemical Enterprises
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Livzon -
Total -
Shell -
Dupont -
Exxonmobil -
Akzonobel -
Basf -
Bayer -
BP
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Consensus Reports
IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 (1987),p. 341.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 42 (1987),p. 39.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 42 (1987),p. 39.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.
Standards and Recommendations
OSHA PEL: TWA 6 mg/m3
ACGIH TLV: TWA (nuisance particulate) 10 mg/m3 of total dust (when toxic impurities are not present, e.g., quartz <1%)
DFG MAK: 4 mg/m3 as fine dust
ACGIH TLV: TWA (nuisance particulate) 10 mg/m3 of total dust (when toxic impurities are not present, e.g., quartz <1%)
DFG MAK: 4 mg/m3 as fine dust