18751-99-0

18751-99-0 structure
18751-99-0 structure
  • Name: alpha-apo-oxytetracycline
  • Chemical Name: (3S)-4t-[(R)-4,5-dihydroxy-9-methyl-3-oxo-1,3-dihydro-naphtho[2,3-c]furan-1-yl)-3r-dimethylamino-2,5ξ-dihydroxy-6-oxo-cyclohex-1-enecarboxylic acid amide
  • CAS Number: 18751-99-0
  • Molecular Formula: C22H22N2O8
  • Molecular Weight: 442.41900
  • Catalog: API Antibiotics Tetracycline
  • Create Date: 2018-02-10 08:00:00
  • Modify Date: 2024-01-02 16:16:36
  • β-Apooxytetracycline is a potential impurity of oxytetracycline. β-Apooxytetracycline is a degradation product formed from oxytetracycline via acid hydrolysis. β-Apooxytetracycline is toxic to rats, decreasing body weight, disrupting blood cell counts, and inducing hepatocyte necrosis.

Name (3S)-4t-[(R)-4,5-dihydroxy-9-methyl-3-oxo-1,3-dihydro-naphtho[2,3-c]furan-1-yl)-3r-dimethylamino-2,5ξ-dihydroxy-6-oxo-cyclohex-1-enecarboxylic acid amide
Synonyms MFCD00062827
Beta-Apo-oxytetracycline
SS-APO-OXYTETRACYCLINE
BETA-APO OXYTETRACYCLINE
B-APO-OXYTETRACYCLINE
β-Apo-oxytetracycline
ALPHA-APO-OXYTETRACYCLINE
Density 1.62±0.1 g/cm3
Boiling Point 742.4±60.0 °C
Melting Point 200-204 °C
Molecular Formula C22H22N2O8
Molecular Weight 442.41900
Exact Mass 442.13800
PSA 170.62000
LogP 1.25860
Appearance Powder | Yellow-brown to brown
Storage condition Refrigerator, Under Inert Atmosphere
Name: Beta-Apo-Oxytetracycline "Can be Used as Secondary Standard" Material Safety Data Sheet
Synonym: None known
CAS: 18751-99-0
Section 1 - Chemical Product MSDS Name:Beta-Apo-Oxytetracycline "Can be Used as Secondary Standard" Material Safety Data Sheet
Synonym:None known

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
18751-99-0 Beta-Apo-Oxytetracycline ca 100 unlisted
Hazard Symbols: XN
Risk Phrases: 63

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Possible risk of harm to the unborn child.Light sensitive.Air sensitive.The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Place under an inert atmosphere.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Store protected from light. Handle under an inert atmosphere. Store protected from air.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Do not expose to air. Store protected from light. Store under an inert atmosphere.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 18751-99-0: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: almost white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 200 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: > 200 deg C
Solubility in water: in water: 0.3 mg/ml
Specific Gravity/Density:
Molecular Formula: C22H22N2O8
Molecular Weight: 442.39

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, light, dust generation, exposure to air, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Air, strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 18751-99-0 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Beta-Apo-Oxytetracycline - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 63 Possible risk of harm to the unborn child.
Safety Phrases:
S 28A After contact with skin, wash immediately with
plenty of water.
S 36/37 Wear suitable protective clothing and
gloves.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 18751-99-0: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 18751-99-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 18751-99-0 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A
Hazard Codes Xn
Risk Phrases R63
Safety Phrases S28;S37;S45;S36/S37