Safety Data Sheets (SDS)

Alphacolor® Chalk
ACCO Brands Corporation Page 3 of 8
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For personal protection see section 8.
6.2 Environmental precautions
No special environmental precautions required.
6.3 Methods and materials for containment and cleaning up
Sweep up and shovel. Keep in suitable, closed containers for disposal.
6.4 Reference to other sections
For disposal see section 13.
7. HANDLING AND STORAGE
7.1 Precautions for safe handling
Further processing of solid materials may result in the formation of combustible dusts. The
potential for combustible dust formation should be taken into consideration before additional
processing occurs.
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Keep container tightly closed in a dry and well-ventilated place.
Storage class (TRGS 510): Non Combustible Solids
7.3 Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
8.1 Control parameters
Components with workplace control parameters
Component CAS-No. Value Control
parameters
Basis
Gypsum 13397-24-5 TWA 15.0mg/m3
(Total)
USA. Occupational Exposure Limits
(OSHA) - Table Z-1 Limits for Air
Contaminants
TWA 5.0mg/m3
(Respirable)
USA. Occupational Exposure Limits
(OSHA) - Table Z-1 Limits for Air
Contaminants
TWA 10.0mg/m3 USA. ACGIH Threshold Limit Values
(TLV)
Remarks Nasal symptoms
TWA 5 mg/m3
(Respirable)
USA. NIOSH Recommended
Exposure Limits
Gypsum is the dihydrate form of calcium sulfate; Plaster of Paris is
the hemihydrate form.
TWA 10 mg/m3
(Total)
USA. NIOSH Recommended
Exposure Limits
Gypsum is the dihydrate form of calcium sulfate; Plaster of Paris is
the hemihydrate form.