Product Identification

Product Name

N,N'-Bis(2,3-dihydroxypropyl)-5-[(2-hydroxyacetyl)-(2-hydroxyethyl)amino]-2,4,6-triiodo-benzene-1,3-dicarboxamide

Synonyms

N,N'-Bis(2,3-dihydroxypropyl)-5-[N-(2-hydroxyethyl)-glycola mido]-2,4,6-triiodoisophthalamide
Optiray

CAS

87771-40-2

Formula

C18H24I3N3O9

Molecular Weight

807.12

RTECS

CZ2229000

Merck

12,5083

Beilstein/Gmelin

7155654

Physical and Chemical Properties

Appearance

Odorless white powder.

Solubility in water

Very soluble

Density

2.265 g/cm3 (20 C)

pKa/pKb

11.34 (pKa)

Partition Coefficient

-4.01

First Aid Measures

Ingestion

If large amounts were swallowed, give water to drink and get medical advice.

Inhalation

Not expected to require first aid measures.

Skin

Wash exposed area with soap and water. Get medical advice if irritation develops.

Eyes

In case of contact, immediately flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids occasionally. Call a physician if irritation persists.

Handling and Storage

Storage

Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage.

Hazards Identification

Inhalation

Not expected to be a health hazard.

Skin

No adverse effects expected.

Eyes

No adverse effects expected but splashes may cause mechanical irritation.

Ingestion

Extremely large oral dosages may produce gastrointestinal disturbances.

Exposure Controls/Personal Protection

Personal Protection

Protective gloves, clean body-covering clothing, safety glasses.

Respirators

If the exposure limit is exceeded, a half-face dust/mist respirator may be worn for up to ten times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. A full-face piece dust/mist respirator may be worn up to 50 times the exposure limit, or the maximum use concentration specified by the appropriate regulatory agency, or respirator supplier, whichever is lowest. For emergencies or instances where the exposure levels are not known, use a full-facepiece positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres.

Exposure Effects

May provoke an allergic reaction in people allergic to iodine or iodinated substances.

Exposure limit(s)

OSHA PEL: 15 mg/m3

Fire Fighting Measures

Fire Fighting

Use any means suitable for extinguishing surrounding fire. Wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode.

Fire Potential

Not considered to be a fire hazard.

Accidental Release Measures

Small spills/leaks

Sweep up and containerize for reclamation or disposal. Vacuuming or wet sweeping may be used to avoid dust dispersal.

Stability and Reactivity

Stability

Stable under ordinary conditions of use and storage. Light sensitive. Hygroscopic.

Decomposition

May emit toxic fumes of nitrogen oxides and iodine when heated to decomposition.