SDS

90 Years of HTH Perfect Pools Super Shock! Treatment
Ref. / 000000030586 SDS_US / EN Page 5 (12
)
Components CAS-No. Value type
(Form of
exposure)
Control parame-
ters / Permissi-
ble concentra-
tion
Basis
Calcium dihydroxide 1305-62-0 TWA 5 mg/m3 ACGIH
REL 5 mg/m3 NIOSH/GUIDE
PEL (Total
dust.)
15 mg/m3 OSHA_TRANS
PEL (Respir-
able frac-
tion.)
5 mg/m3 OSHA_TRANS
TWA 5 mg/m3 Z1A
Engineering measures
: Local exhaust ventilation or other engineering controls are
normally required when handling or using this product to
keep airborne exposures below the TLV, PEL or other rec-
ommended exposure limit.
Personal protective equipment
Respiratory protection : Wear a NIOSH approved respirator if levels above the expo-
sure limits are possible.
A NIOSH approved full-face air purifying respirator equipped
with combination chlorine/P100 cartridges. Air purifying respi-
rators should not be used in oxygen deficient or IDLH atmos-
pheres or if exposure concentrations exceed ten (10) times
the published limit.
Hand protection
Remarks : Wear impervious gloves to avoid skin contact. A full impervi-
ous suit is recommended if exposure is possible to a large
portion of the body.
Eye protection : Use chemical goggles.
Skin and body protection : Neoprene, Nitrile, Natural rubber (This includes: gloves,
boots, apron, protective suit)
Protective measures : An eye wash and safety shower should be provided in the
immediate work area.
SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance : powder
Colour : white
Odour : Chlorine-like
Odour Threshold : no data available
pH : 10.4 - 10.8 (77 °F / 25 °C)
Concentration: 1 %
Melting point/freezing point : Not applicable