Silicic acid, calcium salt

Epidemiological data

Administrative data

Endpoint:

epidemiological data

Type of information:

experimental study

Adequacy of study:

weight of evidence

Data source

Reference

Reference Type:

publication

Title:

Occupational exposure to HI-SIL and SILENE.

Author:

Plunkett ER, DeWitt BJ

Year:

1962

Bibliographic source:

Arch. Environ. Health, 5, 469-472

Materials and methods

Study type:

other: Monitoring at workplace and health check of workers

Endpoint addressed:

repeated dose toxicity: inhalation

Test guideline

Qualifier:

no guideline available

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Silicic acid, calcium salt

EC Number:

215-710-8

EC Name:

Silicic acid, calcium salt

Cas Number:

1344-95-2

Molecular formula:

CaSiO3

IUPAC Name:

calcium oxosilanediolate

Details on test material:

Note: The exposure to the target compound overlaps with exposure to a silica that was also produce in that plant:
Hi-Sil (synthetic amorphous silica, precipitated).

- Name of test material (as cited in study report): Silene EF
- Substance type: inorganic
- Physical state: solid; white powder
- Analytical purity:
- Analytical data before ignition: SiO2 (64 %); CaO (18 %); Al2O3 (0.6 %); MgO (0.1 %); NaCl (1.5 %);
- loss at 105 °C: 5 %
- loss on ignition: 15 %
- pH ~10 (5 % water suspension)
- surface area: 80 m2/g

Method

Type of population:

occupational

Ethical approval:

not applicable

Exposure assessment:

measured