Chemistry Curiosities

What effect might sulfuric acid have on the environment?

feeds@yuku.com (sunnye) — Fri, 06 Nov 2009 07:23:50 GMT

Sulfuric acid will exist as particles or droplets in the air if released to the atmosphere. It dissolves when mixed with water. It

has moderate acute (short-term) toxicity on aquatic life. Sulfuric acid is very corrosive and would badly burn any plants, birds or

land animals exposed to it. It has moderate chronic (long-term) toxicity to aquatic life. Chronic effects on plants, birds or land

...

sodium chlorate

feeds@yuku.com (sunnye) — Fri, 06 Nov 2009 07:20:38 GMT

When pure, sodium chlorate(7775-09-9) is a white crystalline powder that is readily soluble in water. It is hygroscopic. It decomposes above 250 °C to release oxygen and leave sodium chloride.
Sodium chlorate is used as a non-selective herbicide. It is considered phytotoxic to all green plant parts. It can also kill through root absorption.
Sodium chlorate is manufactured by the electrolysis of saturated,...

What effect might 2-Ethoxyethanol have on my health?

feeds@yuku.com (sunnye) — Fri, 06 Nov 2009 07:11:04 GMT

2-Ethoxyethanol can effect you when breathed in or by passing through your skin. Short-term exposures may irritate the eyes, nose, and throat. Very high levels may cause you to feel dizzy, lightheaded and to pass out. Long-term effects from exposure to 2-Ethoxyethanol are possible kidney damage, damaged blood cells, damaged testes in males, and decreased fertility in males. 2-Ethoxyethanol has been shown to be a teratogen...

about Conjugated linoleic acid

feeds@yuku.com (sunnye) — Wed, 04 Nov 2009 21:21:33 GMT

Conjugated linoleic acids (CLA) are a family of at least 28 isomers of linoleic acid found especially in the meat and dairy products derived from ruminants. As the name implies, the double bonds of CLAs are conjugated.
CLAs were discovered accidentally by researchers looking for mutagens in beef. The dairy and beef industries have taken note of CLA's healthy benefits and are researching the natural...

1-acetyl-2-phenyl hydrazine

feeds@yuku.com (sunnye) — Sat, 31 Oct 2009 21:45:30 GMT

1-acetyl-2-phenyl hydrazine
1-acetyl-2-phenyl hydrazine is white to light yellow crystal powder with its formula C8H10N2O. It is chemical raw material and slightly soluble in water.
Its synonyms are...

3,4-diaminobenzoic acid

feeds@yuku.com (sunnye) — Sat, 31 Oct 2009 21:29:20 GMT

3,4-diaminobenzoic acid
3,4-diaminobenzoic acid is chemical raw material, and often used as intermediate. I have read about some process about it. Take follows for example.
3,4-diaminobenzoic acid is an intermediate for the preparation of poly[2,5(6)-benzimidazole], a polymer having excellent high temperature properties and resistance to acid hydrolysis. Known methods of preparing...

2,4-DIAMINO MESITYLENE

feeds@yuku.com (sunnye) — Sat, 31 Oct 2009 20:52:39 GMT

2,4-DIAMINO MESITYLENE is a light yellow to brown crystal powder, it is used as intermediate for dyestuff and pharmaceuticals.
It has some synonyms such as 2,4,6-trimethyl-1,3-benzenediamine;2,4,6-trimethyl-3-benzenediamine;1,3-DIAMINO-2,4,6-TRIMETHYLBENZENE;2,4-DIAMINOMESITYLENE;2,4-DIAMINO-1,3,5-TRIMETHYLBENZENE.

Tetraphenyltin

feeds@yuku.com (sunnye) — Sat, 31 Oct 2009 07:55:42 GMT

Tetraphenyltin is an off-white crystal powder, and often used as chemical catalyst.
It is insoluble in water and has melting point 223-229 °C, Boiling point 420 °C, Flash point 111 °C.
It has some synonyms, such as Tetraphenyltin, Tetraphenylstannane, Stannane, tetraphenyl-, Tin tetraphenyl, TETRAPHENYL TIN.

Effects of Benidipine on Daytime Blood Pressure Changes in Patients with Essential Hypertension

feeds@yuku.com (sunnye) — Sat, 31 Oct 2009 06:49:36 GMT

The effects of long-term acting dihydropyridine calcium antagonists on daytime blood pressure (BP) changes and autonomic nervous activity have not been fully evaluated in patients with essential hypertension (EH). We assessed the changes in 24-h BP and position-related BP during daytime induced by benidipine in EH patients by using ambulatory BP monitoring (ABPM) devices equipped with a body-position sensor. Research design and methods: Nineteen patients with EH had ABPM before and after...

Cancer Chemotherapy Diet

feeds@yuku.com (sunnye) — Wed, 28 Oct 2009 02:44:44 GMT

A nutritious diet during chemotherapy tends to decrease the severeness of the side effects of chemotherapy. It also increases the effectiveness of chemotherapy, and thus decreases its duration, because a well nourished body responds well to cancer treatment.
Cancer chemotherapy diet should include foods high in proteins, such as eggs, nuts, dairy and beans. Vegetables,...

2,4-Dichlorophenoxyacetic acid

feeds@yuku.com (vivianbao) — Sun, 25 Oct 2009 07:09:30 GMT

2,4-Dichlorophenoxyacetic acid is a common systemic herbicide used in the control of broadleaf weeds. It is the most widely used herbicide in the world, and the third most commonly used in North America.2,4-Dichlorophenoxyacetic acid is also an important synthetic auxin, often used in laboratories for plant research and as a supplement in plant cell culture media such as MS medium.But do you know the history of it?
2,4-Dichlorophenoxyacetic acid was developed during World War II by a...

CLINICAL PHARMACOLOGY of Pemirolast potassium

feeds@yuku.com (vivianbao) — Sun, 25 Oct 2009 07:08:00 GMT

Pemirolast potassium is a slightly yellow, water-soluble powder with a molecular formula of C10H7KN6O, molecular weight of 266.3,its Chemical name is 9-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-α] pyrimidin-4-one potassium.Pemirolast potassium is used for long-term treatment of bronchial asthma.
Pemirolast potassium had no effect on mating and fertility in rats at oral...

NYC Sting Uncovers ＇Gun Show Loophole＇

feeds@yuku.com (sunnye) — Fri, 23 Oct 2009 16:02:29 GMT

Investigators hired by New York City conducted stings at gun shows in states that have not closed the "gun show loophole" and found some vendors openly selling weapons to buyers who admitted they couldn't pass background checks.

The stings, described in a city report released Wednesday, were conducted at seven gun shows in Tennessee, Ohio and Nevada. Those states are among the many that permit private unlicensed...

Nobel Prize in Chemistry Winners 1972-1943

feeds@yuku.com (vivianbao) — Thu, 22 Oct 2009 01:27:51 GMT

1972
The prize was divided, one half being awarded to:
CHRISTIAN B. ANFINSEN for his work on ribonuclease, especially concerning the connection between the amino acid sequence and the biologically active confirmation and the other half jointly to: STANFORD MOORE and WILLIAM H. STEIN for their contribution to the understanding of the connection between chemical structure and catalytic activity of the active centre of the ribonuclease molecule.
1971
...

1-methyl-1-nitroso-urea

feeds@yuku.com (sunnye) — Mon, 19 Oct 2009 17:15:20 GMT

1-methyl-1-nitroso-urea is a fine Chemical with formula C2H5N3O2. I have see some imformation on the web, it tells that the induction of mammary carcinogenesis in the rat by 1-methyl-1- nitrosourea (MNU) is widely used in experimental breast cancer research. Some experiments has been carried out and taken together, the data are consistent with (i) carcinomas induced by MNU and detected by palpation are...

2,3-Difluoroaniline

feeds@yuku.com (sunnye) — Mon, 19 Oct 2009 06:51:40 GMT

2,3-Difluoroaniline is a white crystal with formula C6H5F2N. Its density is 1.274 g/mL at 25 °C. It has many synonyms, such as 2,3-DIFLUOROANILINE; 2,3-Difluorobenzenamine;2,3-difluorophenylamine;Benzenamine,2,3-difluoro-,etc.
2,3-Difluoroaniline is used as an intermediate for liquid crystal and drugs.

TRIPHENYLANTIMONY

feeds@yuku.com (sunnye) — Mon, 19 Oct 2009 06:40:24 GMT

TRIPHENYLANTIMONY is usually an Off-white crystal powder, and its synonyms is Triphenylstibine. TRIPHENYLANTIMONY is insoluble in water, and with its melting point 52-55 ºC, boiling point 377 ºC, Flash point 109 ºC. It is used as chemical catalyst.

Ripening fruit

feeds@yuku.com (sunnye) — Fri, 16 Oct 2009 06:26:20 GMT

At home if there is green banana, green and orange fruits have not yet fully mature, in order to put them as quickly as possible without ripening ethylene, then how should we do? Green bananas can be cooked such as raw fruits and ripe fruits such as apples in the same plastic bag, so that no green bananas a few days can turn yellow, mature....

Wellbutrin Side Effects

feeds@yuku.com (sunnye) — Sat, 10 Oct 2009 07:48:11 GMT

As with any medicine, there are possible side effects with Wellbutrin (bupropion hydrochloride). However, not everyone who takes Wellbutrin will experience side effects. In fact, most people tolerate the medication well. When Wellbutrin side effects do occur, in most cases they are minor and either require no treatment or can easily be treated by you or your healthcare provider.

about paclobutrazol

feeds@yuku.com (sunnye) — Wed, 07 Oct 2009 05:52:49 GMT

Paclobutrazol is a triazole type plant growth retardant which blocks gibberellin biosynthesis and are involved in reducing abscisic acid, ethylene and indole-3-acetic acid while increasing cytokinin levels. It promotes fruit set in the states of inhibited development . It is also known that it protect plants against abiotic stresses.It acts by inhibiting gibberellin biosynthesis, reducing internodial growth...