TIN OXIDE (SnO)

6.3 (NIOSH, 2024) - Denser than water; will sink

6.45 g/cm³

6.3

6.95 @25 °C

6.3

Insoluble (NIOSH, 2024)

Solubility in water: none

Insoluble

Decomposes (NIOSH, 2024)

decomposes

Decomposes

1976 °F @ 600 mmHg. (Decomposes) (NIOSH, 2024)

1976 °F@600 mmHg (decomposes)

1630 °C

(600 mmHg): 1976 °F (Decomposes)

0 mmHg (approx) (NIOSH, 2024)

0 mmHg

0 mmHg (approx)

Tin(ii) oxide appears as brownish-black powder or black to blue-black crystalline solid. Mp: 1080 °C (decomposes); density: 6.45 g cm-3. Insoluble in water.

Dry Powder

Brownish-black solid; [Merck Index] Bluish-black odorless powder; [Alfa Aesar MSDS]

BLUE-TO-BLACK CRYSTALLINE POWDER.

Brownish-black powder or black to blue-black crystalline solid.

Brownish-black powder.

This chemical does not meet GHS hazard criteria for 64.7% (130 of 201) of all reports.

Danger

H302 (35.3%): Harmful if swallowed [Warning Acute toxicity, oral]；H317 (35.3%): May cause an allergic skin reaction [Warning Sensitization, Skin]；H319 (35.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]；H372 (35.3%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]

P260, P261, P264, P264+P265, P270, P272, P280, P301+P317, P302+P352, P305+P351+P338, P319, P321, P330, P333+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 201 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Reported as not meeting GHS hazard criteria per 130 of 201 reports by companies.；There are 9 notifications provided by 71 of 201 reports by companies with hazard statement code(s).；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Chemical: Tin oxide (SnO)

Tin oxide (SnO) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Tin oxide (SnO) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 06-08-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/5458；Status: Active Update: 03-02-2016 https://echa.europa.eu/registration-dossier/-/registered-dossier/16887

Tin (II) oxide: Does not have an individual approval but may be used under an appropriate group standard

Excerpt from NIOSH Pocket Guide for Tin(II) oxide (as Sn):；Exposure Routes: Inhalation, skin and/or eye contact；Symptoms: Stannosis (benign pneumoconiosis): dyspnea (breathing difficulty), decreased pulmonary function；Target Organs: Respiratory system (NIOSH, 2024)

May cause mechanical respiratory tract irritation; Stannosis is a benign pneumoconiosis caused by inhalation of tin dust or fume. [ICSC] Slowly oxidized by air forming tin(IV) oxide; [CAMEO] May cause irritation; Harmful by ingestion; [Alfa Aesar MSDS] See Tin and inorganic compounds. See Tin(IV) oxide.

Acute Tox. 4 (35.3%)；Skin Sens. 1 (35.3%)；Eye Irrit. 2 (35.3%)；STOT RE 1 (35.3%)

Specific target organ toxicity - Repeated exposure - Category 1 (lung)

Fresh air, rest.

Rinse skin with plenty of water or shower.

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Rinse mouth.

Excerpt from NIOSH Pocket Guide for Tin(II) oxide (as Sn):；Eye: IRRIGATE IMMEDIATELY - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.；Breathing: FRESH AIR - If a person breathes large amounts of this chemical, move the exposed person to fresh air at once. Other measures are usually unnecessary. (NIOSH, 2024)

(General first aid procedures)；Eye: Irrigate immediately - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.；Breathing: Fresh air

TIH (Toxic Inhalation Hazard) - Term used to describe gases and volatile liquids that are toxic when inhaled. Some are TIH materials themselves, e.g., chlorine, and some release TIH gases when spilled in water, e.g., chlorosilanes. [ERG 2016].

Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. If appropriate, moisten first to prevent dusting. Sweep spilled substance into covered containers. Carefully collect remainder. Then store and dispose of according to local regulations.

EYES: irrigate opened eyes for several minutes under running water. INGESTION: do not induce vomiting. Rinse mouth with water (never give anything by mouth to an unconscious person). Seek immediate medical advice. SKIN: should be treated immediately by rinsing the affected parts in cold running water for at least 15 minutes, followed by thorough washing with soap and water. If necessary, the person should shower and change contaminated clothing and shoes, and then must seek medical attention. INHALATION: supply fresh air. If required provide artificial respiration.

inhalation, skin and/or eye contact

Oral (L308) ; inhalation (L308) ; dermal (L308)

Cough.

Stannosis (benign pneumoconiosis): dyspnea (breathing difficulty), decreased pulmonary function

Inorganic or organic tin compounds placed on the skin or in the eyes can produce skin and eye irritation. (L308)

Chemical: Tin oxide (SnO)

Tin oxide (SnO) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Tin oxide (SnO) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 06-08-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/5458；Status: Active Update: 03-02-2016 https://echa.europa.eu/registration-dossier/-/registered-dossier/16887

Tin (II) oxide: Does not have an individual approval but may be used under an appropriate group standard

Though tin metal is very poorly absorbed, tin compounds may be absorbed via oral, inhalation, or dermal routes, with organotin compounds being much more readily absorbed than inorganic tin compounds. Tin may enter the bloodstream and bind to hemoglobin, where it is distributed and accumulates mainly in the kidney, liver, lung, and bone. Tin and its metabolites are excreted mainly in the urine and feces. (L308)

Tin oxides are used in solders, protective coatings, and alloys; [ACGIH] Used as a reducing agent and to make stannous salts; [Merck Index] Used to make gold-tin and copper-tin ruby glass; [INCHEM CICADS]

Abrasive Blasting [Category: Clean]；Metal Preparation and Pouring [Category: Foundry]；Soldering [Category: Heat or Machine]；Semiconductor Manufacturing [Category: Industry]；Textiles (Printing, Dyeing, or Finishing) [Category: Industry]；Welding Over Coatings [Category: Weld]；Glass Manufacturing [Category: Industry]

Glassblowing [Category: Hobbies]

Tin(II) oxide is used as a precursor in manufacturing of other, typically divalent, tin compounds or salts, and as a reducing agent and in the creation of ruby glass. (L321)

Synthetic Dye and Pigment Manufacturing；Not Known or Reasonably Ascertainable

Tin oxide (SnO): ACTIVE