Montelukast intermediate (2-[1-(Mercaptomethyl)cyclopropyl] acetic acid)

162515-68-6

C6H10O2S

146.21 g/mol

2-[1-(sulfanylmethyl)cyclopropyl]acetic acid

C1C(C1CS)CC(=O)O

VFAXPOVKNPTBTM-UHFFFAOYSA-N

1S/C6H10O2S/c7-5(8)3-6(4-9)1-2-6/h9H,1-4H2,(H,7,8) / 1S/C6H10O2S/c7-6(8)3-4-1-5(4)2-9/h4-5,9H,1-3H2,(H,

420-240-3

MFCD03411600

12352100

39021701

NA.22

146.21 g/mol

Off-white solid

42–45 °C

290.1 ± 13.0 °C (Predicted)

1.228 ± 0.06 g/cm³ (Predicted)

Air Sensitive,Heat Sensitive

2 years

Corrosive to metals: Category 1 Acute toxicity (Oral, Dermal): Category 4 Skin corrosion: Category 1B Skin sensitization: Category 1 Hazardous to the aquatic environment (Chronic): Category 2

Acute oral toxicity-Category 4 Acute dermal toxicity-Category 4 Skin Corrosion/Irritation-Category 1 B Serious Eye Damage/Eye Irritation-Category 1 Skin Sensitization-Category 1 Specific target organ toxicity (single exposure)-Category 3 Target Organs - Respiratory system.

P234: Keep only in original packaging. P260: Do not breathe dust/fume/gas/mist/vapors/spray. P264: Wash hands thoroughly after handling. P270: Do not eat, drink, or smoke when using this product. P272: Contaminated work clothing should not be allowed out of the workplace. P273: Avoid release to the environment. P280: Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331+P310: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER/doctor. P303+P361+P353+P310+P363: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. Immediately call a POISON CENTER/doctor. Wash contaminated clothing before reuse. P304+P340+P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305+P351+P338+P310: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing. Immediately call a POISON CENTER/doctor. P390: Absorb spillage to prevent material damage. P391: Collect spillage. P405: Store locked up. P406: Store in a corrosion-resistant container with a resistant inner liner. P501: Dispose of contents/container in accordance with local/regional/national/international regulations.