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Occurrence and Uses Physical Properties Preparation Reactions
LEAD(II) SULFIDE structure
Chemical Name:
p34;p128;P-37;CCNH;GALENA;ci77640;galenite;c.i.77640;C.I. 77640;p37(filter)
Molecular Formula:
Formula Weight:
MOL File:


Melting point:
Boiling point:
1281°C (estimate)
7.5 g/mL at 25 °C(lit.)
refractive index 
storage temp. 
Soluble in strong HNO<sub>3</sub>, in excess of hot HCl
Metallic Crystals, Powder Lump
Specific Gravity
Water Solubility 
Soluble in water (0.00086g/L) and acid. Insoluble in alcohol, and potassium hydroxide.
Solubility Product Constant (Ksp)
pKsp: 27.1
Stable. Incompatible with oxidizing agents, acids, water.
CAS DataBase Reference
1314-87-0(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,N
Risk Statements  61-20/22-33-50/53-62
Safety Statements  53-45-60-61
RIDADR  UN 3077 9/PG 3
WGK Germany  3
RTECS  OG4550000
HazardClass  6.1(b)
PackingGroup  III
Toxicity LD50 i.p. in rats: 160 mg Pb/100 g (Bradley, Fredrick)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P201 Obtain special instructions before use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.

LEAD(II) SULFIDE price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 372595 Lead(II) sulfide 99.9% trace metals basis 1314-87-0 25g $78.3 2018-11-13 Buy
Sigma-Aldrich 372595 Lead(II) sulfide 99.9% trace metals basis 1314-87-0 100g $244 2018-11-13 Buy
Alfa Aesar 042546 Galena, naturally occurring mineral, approximately 1-2in 1314-87-0 5pc $74.1 2018-11-16 Buy
Alfa Aesar 042546 Galena, naturally occurring mineral, approximately 1-2in 1314-87-0 1pc $20.7 2018-11-16 Buy
Strem Chemicals 82-1081 Lead sulfide CANdot(R) quantum dot (PbS core - ~3nm), 10 mg/mL in toluene, 1000nm peak emission 1314-87-0 2ml $58 2018-11-13 Buy

LEAD(II) SULFIDE Chemical Properties,Uses,Production

Occurrence and Uses

Lead sulfide occurs in nature as the mineral galena. Most lead comes from this ore. Additionally, lead sulfide has several industrial applications. It is used in infrared detectors; transistors; photoconductive cells; high temperature lubricants; and for glazing earthenware. It also is used as a catalyst in petroleum refining for removal of mercaptans from petroleum distillates.

Physical Properties

Black powder or cubic crystal; refractive index 3.91; Moh’s hardness 2.5; melts at 1,118°C; vapor pressure 1 torr at 852°C and 5 torr at 928°C; very slightly soluble in water (124 mg/L at 20°C); KSP 9.04x10–29 at 25°C; soluble in acids.


Lead sulfide occurs naturally as the mineral galena. It can be prepared in the laboratory as a black precipitate by passing hydrogen sulfide through a dilute acid solution of inorganic lead salt, such as lead nitrate or lead acetate:
Pb2+ + H2S → PbS + 2H+
It also is obtained by direct combination of elements by heating metallic lead with sulfur vapors.


Lead sulfide decomposes in excess concentrated hydrochloric acid liberating hydrogen sulfide and probably forming chloroplumbus acid in solution:
PbS + 4HCl → H2PbCl4 + H2S
Two types of reactions occur with nitric acid depending on the concentration of the acid. Lead sulfide dissolves in dilute nitric acid, oxidizing to elemental sulfur:
PbS + 2HNO3 → Pb(NO3)2 + S + H2
However, treatment with concentrated nitric acid yields lead(II) sulfate:
PbS + 4HNO3 → PbSO4 + 4HNO2
Lead sulfide also undergoes various oxidation reactions at elevated temperatures that occur in a reverberatory furnace, during the production of lead from galena. Sulfur dioxide and lead sulfate are formed as intermediate products. Some typical reactions are as follows:
PbS + 2O2e→PbSO4
2PbS + 3O2→2PbO + 2SO2
PbS + 2PbO→3Pb + SO2
PbS + PbSO4→2Pb + 2SO2
When roasted in an air blast furnace, basic lead sulfate, PbO•PbSO4 (also known as sublimed white lead), is formed.

Chemical Properties

Lead gray in color, lead-gray streak, metallic luster, good cubic cleavage. Mohs hardness 2.5. Soluble in strong nitric acid, in excess of hot hydrochloric acid.

Chemical Properties

Lead sulfide is a silvery to black crystalline powder.


Glazing earthenware.


galena: A mineral form of lead(II)sulphide, PbS, crystallizing in thecubic system; the chief ore of lead. Itusually occurs as grey metallic cubes,frequently in association with silver,arsenic, copper, zinc, and antimony.Important deposits occur in Australia(at Broken Hill), Germany, the USA(especially in Missouri, Kansas, andOklahoma), and the UK.

Reactivity Profile

The reaction between iodine monochloride and any of the following is vigorous: cadmium sulfide, LEAD(II) SULFIDE, silver sulfide, or zinc sulfide [Mellor 2, Supp. 1:502. 1956].

Health Hazard

INHALATION OR INGESTION: Abdominal pain, loss of appetite, weight loss, constipation, apathy or irritability, vomiting, fatigue, headache, weakness metallic taste and muscle incoordination. Lead line on gums. EYES: Irritation. May cause corneal destruction. SKIN: Pain and severe burns.

Fire Hazard

Behavior in Fire: At fire temperatures emits highly toxic and irritating sulfur oxides.

Potential Exposure

Lead sulfide is used in ceramics, infrared radiation detectors, and semiconductors.


UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required. UN3288 Toxic solids, inorganic, n.o.s., Hazard Class: 6.1; Labels: 6.1- Poisonous materials, Technical Name Required.


Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, and iodine monochloride. Sulfides react with acids to produce toxic and flammable vapors of hydrogen sulfide.

LEAD(II) SULFIDE Preparation Products And Raw materials

Raw materials

Preparation Products


Global( 95)Suppliers
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Henan DaKen Chemical CO.,LTD.
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Mainchem Co., Ltd.
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career henan chemical co
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J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
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Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30167 84
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44044 61
Adamas Reagent, Ltd. 400-600-9262 China 13921 59

View Lastest Price from LEAD(II) SULFIDE manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-18 LEAD(II) SULFIDE
US $1.00 / g 50 g 99.9% 20kg career henan chemical co

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