Material Safety Data Sheet

ManualsBrandsGeneral Hydroponics ManualsFertilizers & Plant FoodGeneral Hydroponics PH Down Qt. - ACID

MATERIAL SAFETY DATA SHEET

GENERAL HYDROPONICS pH Down

3/12/09

SECTION 1. MATERIAL IDENTIFICATION

Product Name: pH Down

Chemical Family: Corrosive mixture of acids in aqueous solution

Product Use: To lower the pH of hydroponic nutrient solutions and plant fertilizers.

Manufactured by: General Hydroponics, 3789 Vine Hill Rd. Sebastopol CA 95472

For Emergency Day or Night Call: CHEMTREC – Domestic North America 800-424-9300,

International 703-527-3887 (collect calls accepted)

SECTION 2, COMPOSITION / INFORMATION ON INGREDIENTS

The percentage of mixture information for pH Down

is withheld as a trade secret. The basic ingredients

of pH Down

are phosphoric acid, citric acid, and mono ammonium phosphate.

SECTION 3. HAZARDS IDENTIFICATION

*** Emergency Overview ***

DANGER! CORROSIVE. CAUSES SEVERE IRRITATION AND

BURNS TO EVERY AREA OF CONTACT. HARMFUL IF

SWALLOWED OR INHALED.

Potential Health Effects:

Primary Entry Routes: Ingestion, inhalation, skin.

Target Organs: Gastrointestinal and respiratory tract.

Acute Effects:

• Ingestion: severe digestive tract irritation with possible burns.

• Inhalation: irritation and possible burns.

• Eye, severe burns.

• Skin: severe irritation and burns.

Carcinogenicity: IARC, NTP, and OSHA do not list as a carcinogen.

Medical Conditions Aggravated by Long-term Exposure: Unknown.

Chronic Effects: Same as acute.

Other: None.

MSDS For pH Down Wet 3/12/09 Page 1 of 4

Summary of content (4 pages)

PAGE 1
MATERIAL SAFETY DATA SHEET GENERAL HYDROPONICS pH DownTM 3/12/09 SECTION 1. MATERIAL IDENTIFICATION Product Name: pH DownTM Chemical Family: Corrosive mixture of acids in aqueous solution Product Use: To lower the pH of hydroponic nutrient solutions and plant fertilizers. Manufactured by: General Hydroponics, 3789 Vine Hill Rd.
PAGE 2
Section 4. FIRST AID MEASURES Ingestion: Never give anything by mouth to an unconscious or convulsing person. Rinse out the mouth drink two to four cups of milk. Do not induce vomiting. See a physician immediately. Eye Contact: Do not allow victim to rub or keep eyes tightly shut. Gently lift eyelids and flush immediately and continuously with flooding amounts of water for at least 15 minutes. Consult a physician or ophthalmologist if pain or irritation develops.
PAGE 3
-OSHA Permissible Exposure Limit (PEL):1 mg/m3 (TWA) -ACGIH Threshold Limit Value (TLV):1 mg/m3 (TWA), 3 mg/m3 (STEL) Engineering Controls: Provide general or local exhaust ventilation systems to maintain airborne concentrations as low as possible. Administrative Controls: Avoid inhalation, ingestion, skin and eye contact. Do not mix with solutions containing bleach or ammonia. Respiratory Protection: If this product is used as directed, respiratory protection is not required.
PAGE 4
DownTM is unknown. The rat oral, LD50 for phosphoric acid is 1,530 mg/kg and the rabbit skin, LD50 is 220 mg/kg. SECTION 12. ECOLOGICAL INFORMATION Ecotoxicity: Unknown. Environmental Fate: Not expected to be significant. Physical removal from air can occur via rainfall. Environmental Degradation: Unknown. SECTION 13. DISPOSAL CONSIDERATIONS Waste Disposal: Follow Federal, State, and local regulations. SECTION 14.