Certifications 2

Reference No:
Valve Regulated Lead-acid Battery
Hitachi Chemical Energy Technology Co.,Ltd.
Page 6 / 20
Date of issuing: January 01, 2020
Eye protection ;
Wear protective glasses, goggle type safety glasses and the
like.
Skin and body protection ;
Wear protective clothing, protective apron and the like as
necessary.
Hygiene measures :
Do not eat, drink or smoke when handling.
Wash hands thoroughly after handling.
Protective equipment shall be inspected regularly according
to the protective equipment checklist.
9. Physical and Chemical properties
Describes the information about the components below.
Lead
Lead dioxide
Lead sulfate
Dilute sulfuric acid
Appearances
(physical state, form,
color, etc.)
Silver white solid
Brown crystal or
powder
White crystal
Colorless
transparent liquid
Odor
No information.
No information.
No information.
Odorless (normal
temperature)
Threshold of odor
No information.
No information.
No information.
No information.
pH
No information.
No information.
No information.
≦1
Melting point
327.4°C
888°C
1170°C
No information
Boiling point, initial
boiling point and
boiling range
1,749°C
1,480°C
No information
No information
Flash point
Non flammable
Non flammable
Non flammable
Non flammable
Flammability(solid,
gas)
Non flammable
Non flammable
Non flammable
Not applicable
Specific
gravity(density)
11.35g/cm
3
(20°C)
9.53g/cm
3
6.2
Approx. 1.2～1.4
Solubility
Water: Insoluble.
Water: Insoluble.
Water: Hardly
soluble.
Miscible in water.
Soluble in alcohol.
Partition coefficient
(n-octanol/water)
No information.
No information
No information
No information
Auto-ignition
temperature
Non flammable
Non flammable
Non flammable
Non flammable
Decomposition
temperature
No information.
290°C
1000°C
No information
Viscosity
No information.
No information.
No information.
No information.
Other Information
No information.
No information.
No information.
No information.
10. Stability and Reactivity
Stability :
(lead)
When oxygen is present, it will be eroded by pure water
and the weak organic acid. At normal temperature, it will
be eroded by fluorine or chlorine.