# 1. Identification of the substance/mixture and of the Company/undertaking:

## 1.1 Product identifier:
**Product Names:** Riva Star

## 1.2 Relevant identified use:
**Professional dental use:** (Riva Star is comprised of Riva Star Step 1 and Riva Star Step 2) for use as a tooth desensitising agent.

## 1.3 Details of the supplier of the Safety Data Sheet:
**Manufacturer / Supplier**  
SDI Limited  
3-13 Brunsdon Street, Bayswater, Victoria, 3153, Australia  
Telephone: +6138727 7111 (Business hours)

**SDI (North America) Inc.**  
1279 Hamilton Parkway, Itasca, IL 60143, USA  
Telephone: +1 630 361 9200 (Business hours)

**Southern Dental Industries Ltd**  
**SDI Brasil Industria e Comércio Ltda**  
Block 8, St Johns Court  
Rua Dr. Virgilio de Carvalho Pinto, 612  
Swords Road, Pinheiros, São Paulo, 05415-020, Brasil  
Telephone: +55 11 3092 7100 (Business Hours)  
**Emergency contact number:** +61 3 8727 7111  
**Email:** [ray.cahill@sdi.com.au](mailto:ray.cahill@sdi.com.au) (Technical Director, SDI Limited)

**GHS icon for water-based solvents.**  
Since Riva Star Step 1 is supplied in contained capsules in very small quantities (0.05mL per capsule), the likelihood of hazard exposure is low.

# 2. Hazard Identification   
## Riva Star Step 1: Hazardous:
**SIGNAL WORD:** DANGER

**DANGER**

---

## GHS Classification:  
**Skin Corrosion 1B**  
**Aquatic Acute 1**

| Hazard statement： |  |
| --- | --- |
| H314 Causes severe skin burns and eye damage. |  |
| H400 Very toxic to aquatic organisms |  |

| Precautionary statements： |  |
| Prevention： |  |
| P102 Keep out of reach of children. |  |
| P264 Wash skin and hands thoroughly after handling. |  |
| P280 Wear suitable protective clothing, gloves and eye/face protection. |  |
| Response： |  |
| P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |  |
| P303+P361+P353: IF ON SKIN(or hair): Remove/take off immediately all contaminated clothing. Rinse skin with water/shower. |  |
| P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |  |
| P310 Immediately call a POISON CENTRE or doctor/physician. |  |
| P363 Wash contaminated clothing before reuse. |  |
| Storage： |  |
| P405 Store locked up. |  |
| Disposal： |  |
| P501 Dispose of contents according to local regulations. |  |

## Hazard statement:
H314 Causes severe skin burns and eye damage.  
H400 Very toxic to aquatic organisms

# 2. Composition / Information on hazardous ingredients  
Each 0.05ml capsule of Riva Star Step 1 contains:

| Composition:          | CAS No.   | w/v % | EC No.    |
| --------------------- | --------- | ----- | --------- |
| Silver Fluoride       | 7775-41-9 | 35-40 | 231-895-8 |
| Ammonia               | 1336-21-6 | 15-20 | 215-647-6 |
| Deionised Water       | 7732-18-5 | balance|          |

**Silver fluoride:** Skin Corr 1B; H314

---

# 4. First Aid Measures

| Eye(contact): | Hold eyelids apart and flush the eye continuously with running water. Continue to flush until advised to stop by a Poisons Information Centre (Australia 131 126), or a doctor, or for at least 15 minutes. |
| --- | --- |
| Skin(contact): | Remove contaminated clothing. Flush skin with running water. |
| Ingestion: | Not expected due to dose volume. If affected, do NOT induce vomiting. Give a glass of milk or water. Contact a doctor or Poisons Information Centre. |
| Inhalation: | Not expected due to dose volume. If affected, remove from contaminated area. |
| Most important effects, acute and delayed: | The most important known symptoms and effects are described in section 2 and/or in section 11. |
| Indication of any immediate medical attention and special treatment needed: | No data available. |

# 5. Fire Fighting Measures

| Suitable extinguishing media:  | Chemical foam, carbon dioxide, dry chemical powder. |
| --- | --- |
| Unusual Fire and Explosion Hazards: | Emits toxic fumes under fire conditions |
| Unsuitable extinguishing media: | No available data |
| Specific hazards arising from the mixture: | No available data |
| Special protective equipment: | Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. |

# 6. Accidental Release Measures

| Personal precautions: | Wear self-contained breathing apparatus, rubber boots and heavy rubber gloves. |
| --- | --- |
| Environmental precautions: | Prevent any spillage from entering waterways, drains or sewage system. |
| Methods for cleaning up: | Add a weak acid to adjust the pH at controlled rate to avoid excess ammonia liberation. Use absorbent material to collect neutralised material. |
| Methods for cleaning and containment of spills: | Absorb with inert material (saw dust, sand, diatomaceous earth) and transfer to containers for disposal as hazardous waste in accordance with local regulations. |
| Removal of ignition sources, provision of sufficient ventilation: | Wear self-contained breathing apparatus. |

# 7. Handling and storage

| Precautions for safe handling: | Follow instructions for use. The product should be supplied to or handled by dental professionals. Do not breathe vapour, do not get in eyes, on skin, or clothing. |
| --- | --- |
| Conditions for safe storage, including any incompatibilities: | Store in a cool place at temperatures (2-8℃) away from direct light. |
| Specific end use: | Apart from the use mentioned in section 1.2, there are no other uses for the product. |

# 8. Exposure controls and personal protection

| Control parameters: |  |
| --- | --- |
| Occupational exposure limits: | Not aware of any national exposure limit. |
| Respiratory protection: | Not required under normal conditions of use. |
| Hand protection: | Rubber, latex or PVC gloves. |
| Eye protection: | Safety glasses or goggles. |
| General safety and hygiene measures: | Follow good housekeeping practices and good industrial hygiene in handling this material. Remove any naked lights or strong heat sources. |

# 9. Physical and chemical properties

**Riva Star Step 1:**  
**Appearance:** Clear, colourless liquid.  
**Odour:** Ammonia.  
**Boiling point:** not established  
**Melting point:** Not established.  
**Specific gravity:** 1.2  
**Flash point:** Not applicable  
**Autoflammability:** not established.  
**Explosive properties:** not applicable.  
**Oxidizing properties:** not established.  
**Vapour pressure (@ 20 °C):** 115 mmHg.  
**Vapour density:** no data available.  
**Solubility:** not established  
**Auto-ignition temperature:** not established.  
**Decomposition temperature:** not established.

# 10. Stability and Reactivity

| Reactivity: | No data available. |
| --- | --- |
| Stability: | Stable under normal conditions. |
| Conditions to avoid: | Avoid heat, ignition sources, aging, contamination and intense visible light. |
| Materials to avoid: | Copper, copper alloys, galvanised iron, zinc. |
| Hazardous decomposition products: | Nitrogen oxides, ammonia. |
| Hazardous reactivity (Polymerization): | Will not occur. |

# 11. Toxicological information

| Ammonium hydroxide toxicity: |  |
| --- | --- |
| Toxicity to animals: Acute oral toxicity (LD50): 350mg/kg (rat) |  |
| Toxic effects on humans: Corrosive in case of skin contact. Hazardous in case of eye contact (corrosive) and of inhalation (lung corrosive). |  |
| Toxic effects on animals: Toxic to aquatic life. |  |
| Acute toxicity of Riva Star: | Corrosive to skin and eyes, and by inhalation. Toxic to aquatic life, and harmful by ingestion. |
| Skin corrosion/irritation: | Corrosive to skin. |
| Serious eye damage/eye irritation: | Corrosive to eyes. |
| Respiratory or skin sensitisation: | Corrosive to respiratory tract |  |
| Germ cell mutagenicity: | No data available. |
| Carcinogenicity: | IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC. |
| Reproductive toxicity: | No data available. |
| Specific target organ toxicity-single exposure: | Corrosive to skin, eyes and respiratory tract. |
| Specific target organ toxicity-repeated exposure: | No data available. |
| Aspiration hazard: | No data available. |

# 12. Ecological information

| Self assessment: | Hazardous for water and aquatic life. Do not allow large quantities to reach sewage system and waterways. |
| --- | --- |
| Ecotoxicity: | No data available. |
| Persistence and biodegradability: | No data available. |
| Bioaccumulative potential: | No data available. |
| Mobility in soil: | No data available. |
| Results of PBT and VPvB assessment: | PBT/VPvB assessment not available as chemical safety assessment not required/not conducted. |
| Other adverse effects: | No data available. |

# 13. Disposal considerations
Dispose of in accordance with local official regulations.

# 14. Transport information

# 15. Regulatory information