Note: Ingredients listed on restricted chemical lists
EC/CAS
7681-57-4
Name of the chemical
Sodium metabisulfite
Concentration
1.0%
EC/CAS
1310-73-2
Name of the chemical
sodium hydroxide
Concentration
N/A
EC/CAS
7732-18-5
Name of the chemical
Water, distilled, conductivity or of similar purity H2O
Concentration
N/A
General Information
Version
6.0
Revision date
2025-07-26
Product name
Mephenamine citrate; Norflex
Chemical name
2-dimethylaminoethyl 2- methylbenzhydryl ether citrate
1.2.1 Relevant identified uses
Analgesic for acute painful muscular skeletal conditions
Icons in SDS
Company Information
company name
Sagent Pharmaceuticals
Section 2
SECTION 2: Hazards identification
Classification Not Available Signal Word, Hazard Not Available Statement(s), Sybmbol(s), and/or Precautionary
Hazard statements
(c) Description of Hazards: Orphenadrine is used as a skeletal muscle relaxant used to treat acute, painful musculoskeletal conditions. Short-term contact may cause skin, eye, gastrointestinal tract, and respiratory irritation. Orphenadrine Citrate contains a sodium metabisulfite that can cause allergic reactions in some individuals. (d) Unknown Acute Toxicity: N/A
2.1 Classification of the substance or mixture
Not Available (b) Signal Word, Hazard Not Available
